Home / 1,490,304,029.10-2,235,456,043.65-520,854,557.10

Finding the Fourth Proportional to 1,490,304,029.10, 2,235,456,043.65 and 520,854,557.10

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Solution

The fourth proportional to 1,490,304,029.10, 2,235,456,043.65 and 520,854,557.10 is: 781,281,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,304,029.10 : 2,235,456,043.65 = 520,854,557.10 : x
  2. Step 2: Convert to fraction form
    1,490,304,029.10/2,235,456,043.65 = 520,854,557.10/x
  3. Step 3: Cross multiply
    1,490,304,029.10x = 2,235,456,043.65 × 520,854,557.10
  4. Step 4: Simplify right side
    1,490,304,029.10x = 1,164,347,467,531,839,232
  5. Step 5: Solve for x
    x = 1,164,347,467,531,839,232/1,490,304,029.10
  6. Step 6: Final answer
    x = 781,281,835.65

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Half scale
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Double scale
Find fourth proportional to 1,490,304,030.10, 2,235,456,045.15 and 520,854,558.10
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.