Home / 10,237,428,138.60-15,356,142,207.90-9,053,802,743.40

Finding the Fourth Proportional to 10,237,428,138.60, 15,356,142,207.90 and 9,053,802,743.40

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Solution

The fourth proportional to 10,237,428,138.60, 15,356,142,207.90 and 9,053,802,743.40 is: 13,580,704,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237,428,138.60 : 15,356,142,207.90 = 9,053,802,743.40 : x
  2. Step 2: Convert to fraction form
    10,237,428,138.60/15,356,142,207.90 = 9,053,802,743.40/x
  3. Step 3: Cross multiply
    10,237,428,138.60x = 15,356,142,207.90 × 9,053,802,743.40
  4. Step 4: Simplify right side
    10,237,428,138.60x = 139,031,482,449,925,537,792
  5. Step 5: Solve for x
    x = 139,031,482,449,925,537,792/10,237,428,138.60
  6. Step 6: Final answer
    x = 13,580,704,115.10

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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.