Home / 653,911,856.04-902,617,031.04-389,676,708.12

Finding the Fourth Proportional to 653,911,856.04, 902,617,031.04 and 389,676,708.12

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Solution

The fourth proportional to 653,911,856.04, 902,617,031.04 and 389,676,708.12 is: 537,884,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,911,856.04 : 902,617,031.04 = 389,676,708.12 : x
  2. Step 2: Convert to fraction form
    653,911,856.04/902,617,031.04 = 389,676,708.12/x
  3. Step 3: Cross multiply
    653,911,856.04x = 902,617,031.04 × 389,676,708.12
  4. Step 4: Simplify right side
    653,911,856.04x = 351,728,833,348,715,072
  5. Step 5: Solve for x
    x = 351,728,833,348,715,072/653,911,856.04
  6. Step 6: Final answer
    x = 537,884,166.04

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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.