Home / 71,488,087,679.84-98,658,041,352.88-39,373,443,448.16

Finding the Fourth Proportional to 71,488,087,679.84, 98,658,041,352.88 and 39,373,443,448.16

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Solution

The fourth proportional to 71,488,087,679.84, 98,658,041,352.88 and 39,373,443,448.16 is: 54,337,819,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488,087,679.84 : 98,658,041,352.88 = 39,373,443,448.16 : x
  2. Step 2: Convert to fraction form
    71,488,087,679.84/98,658,041,352.88 = 39,373,443,448.16/x
  3. Step 3: Cross multiply
    71,488,087,679.84x = 98,658,041,352.88 × 39,373,443,448.16
  4. Step 4: Simplify right side
    71,488,087,679.84x = 3,884,506,811,913,852,157,952
  5. Step 5: Solve for x
    x = 3,884,506,811,913,852,157,952/71,488,087,679.84
  6. Step 6: Final answer
    x = 54,337,819,600.25

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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.