Home / 1,528,008,083.10-2,292,012,124.65-545,905,115.10

Finding the Fourth Proportional to 1,528,008,083.10, 2,292,012,124.65 and 545,905,115.10

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Solution

The fourth proportional to 1,528,008,083.10, 2,292,012,124.65 and 545,905,115.10 is: 818,857,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,008,083.10 : 2,292,012,124.65 = 545,905,115.10 : x
  2. Step 2: Convert to fraction form
    1,528,008,083.10/2,292,012,124.65 = 545,905,115.10/x
  3. Step 3: Cross multiply
    1,528,008,083.10x = 2,292,012,124.65 × 545,905,115.10
  4. Step 4: Simplify right side
    1,528,008,083.10x = 1,251,221,142,717,654,016
  5. Step 5: Solve for x
    x = 1,251,221,142,717,654,016/1,528,008,083.10
  6. Step 6: Final answer
    x = 818,857,672.65

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Half scale
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Double scale
Find fourth proportional to 1,528,008,084.10, 2,292,012,126.15 and 545,905,116.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.