Home / 662,221,461.72-913,893,816.06-368,865,951.96

Finding the Fourth Proportional to 662,221,461.72, 913,893,816.06 and 368,865,951.96

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Solution

The fourth proportional to 662,221,461.72, 913,893,816.06 and 368,865,951.96 is: 509,050,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,221,461.72 : 913,893,816.06 = 368,865,951.96 : x
  2. Step 2: Convert to fraction form
    662,221,461.72/913,893,816.06 = 368,865,951.96/x
  3. Step 3: Cross multiply
    662,221,461.72x = 913,893,816.06 × 368,865,951.96
  4. Step 4: Simplify right side
    662,221,461.72x = 337,104,312,451,329,024
  5. Step 5: Solve for x
    x = 337,104,312,451,329,024/662,221,461.72
  6. Step 6: Final answer
    x = 509,050,720.85

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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.