Home / 458,724,007.70-688,086,011.55-458,724,007.70

Finding the Fourth Proportional to 458,724,007.70, 688,086,011.55 and 458,724,007.70

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Solution

The fourth proportional to 458,724,007.70, 688,086,011.55 and 458,724,007.70 is: 688,086,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,724,007.70 : 688,086,011.55 = 458,724,007.70 : x
  2. Step 2: Convert to fraction form
    458,724,007.70/688,086,011.55 = 458,724,007.70/x
  3. Step 3: Cross multiply
    458,724,007.70x = 688,086,011.55 × 458,724,007.70
  4. Step 4: Simplify right side
    458,724,007.70x = 315,641,572,860,524,480
  5. Step 5: Solve for x
    x = 315,641,572,860,524,480/458,724,007.70
  6. Step 6: Final answer
    x = 688,086,011.55

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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.