Home / 473,336,390.55-710,004,574.89-128,290,010.70

Finding the Fourth Proportional to 473,336,390.55, 710,004,574.89 and 128,290,010.70

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Solution

The fourth proportional to 473,336,390.55, 710,004,574.89 and 128,290,010.70 is: 192,435,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,336,390.55 : 710,004,574.89 = 128,290,010.70 : x
  2. Step 2: Convert to fraction form
    473,336,390.55/710,004,574.89 = 128,290,010.70/x
  3. Step 3: Cross multiply
    473,336,390.55x = 710,004,574.89 × 128,290,010.70
  4. Step 4: Simplify right side
    473,336,390.55x = 91,086,494,509,687,056
  5. Step 5: Solve for x
    x = 91,086,494,509,687,056/473,336,390.55
  6. Step 6: Final answer
    x = 192,435,013.09

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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.