Home / 1,140,351,072.96-1,573,684,494.12-618,830,304.96

Finding the Fourth Proportional to 1,140,351,072.96, 1,573,684,494.12 and 618,830,304.96

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Solution

The fourth proportional to 1,140,351,072.96, 1,573,684,494.12 and 618,830,304.96 is: 853,985,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,072.96 : 1,573,684,494.12 = 618,830,304.96 : x
  2. Step 2: Convert to fraction form
    1,140,351,072.96/1,573,684,494.12 = 618,830,304.96/x
  3. Step 3: Cross multiply
    1,140,351,072.96x = 1,573,684,494.12 × 618,830,304.96
  4. Step 4: Simplify right side
    1,140,351,072.96x = 973,843,655,407,102,976
  5. Step 5: Solve for x
    x = 973,843,655,407,102,976/1,140,351,072.96
  6. Step 6: Final answer
    x = 853,985,828.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.