Home / 71,488,087,672.02-98,658,041,342.07-39,373,443,440.34

Finding the Fourth Proportional to 71,488,087,672.02, 98,658,041,342.07 and 39,373,443,440.34

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Solution

The fourth proportional to 71,488,087,672.02, 98,658,041,342.07 and 39,373,443,440.34 is: 54,337,819,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488,087,672.02 : 98,658,041,342.07 = 39,373,443,440.34 : x
  2. Step 2: Convert to fraction form
    71,488,087,672.02/98,658,041,342.07 = 39,373,443,440.34/x
  3. Step 3: Cross multiply
    71,488,087,672.02x = 98,658,041,342.07 × 39,373,443,440.34
  4. Step 4: Simplify right side
    71,488,087,672.02x = 3,884,506,810,716,718,628,864
  5. Step 5: Solve for x
    x = 3,884,506,810,716,718,628,864/71,488,087,672.02
  6. Step 6: Final answer
    x = 54,337,819,589.45

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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.