Home / 7,429,971,147.40-11,144,956,721.10-6,861,754,430.20

Finding the Fourth Proportional to 7,429,971,147.40, 11,144,956,721.10 and 6,861,754,430.20

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Solution

The fourth proportional to 7,429,971,147.40, 11,144,956,721.10 and 6,861,754,430.20 is: 10,292,631,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,971,147.40 : 11,144,956,721.10 = 6,861,754,430.20 : x
  2. Step 2: Convert to fraction form
    7,429,971,147.40/11,144,956,721.10 = 6,861,754,430.20/x
  3. Step 3: Cross multiply
    7,429,971,147.40x = 11,144,956,721.10 × 6,861,754,430.20
  4. Step 4: Simplify right side
    7,429,971,147.40x = 76,473,956,155,395,194,880
  5. Step 5: Solve for x
    x = 76,473,956,155,395,194,880/7,429,971,147.40
  6. Step 6: Final answer
    x = 10,292,631,645.30

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Double scale
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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.