Home / 473,336,386.55-710,004,568.89-128,290,006.70

Finding the Fourth Proportional to 473,336,386.55, 710,004,568.89 and 128,290,006.70

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Solution

The fourth proportional to 473,336,386.55, 710,004,568.89 and 128,290,006.70 is: 192,435,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,336,386.55 : 710,004,568.89 = 128,290,006.70 : x
  2. Step 2: Convert to fraction form
    473,336,386.55/710,004,568.89 = 128,290,006.70/x
  3. Step 3: Cross multiply
    473,336,386.55x = 710,004,568.89 × 128,290,006.70
  4. Step 4: Simplify right side
    473,336,386.55x = 91,086,490,899,928,704
  5. Step 5: Solve for x
    x = 91,086,490,899,928,704/473,336,386.55
  6. Step 6: Final answer
    x = 192,435,007.09

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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.