Home / 525,200,883.44-724,779,470.45-287,050,864.55

Finding the Fourth Proportional to 525,200,883.44, 724,779,470.45 and 287,050,864.55

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Solution

The fourth proportional to 525,200,883.44, 724,779,470.45 and 287,050,864.55 is: 396,131,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,200,883.44 : 724,779,470.45 = 287,050,864.55 : x
  2. Step 2: Convert to fraction form
    525,200,883.44/724,779,470.45 = 287,050,864.55/x
  3. Step 3: Cross multiply
    525,200,883.44x = 724,779,470.45 × 287,050,864.55
  4. Step 4: Simplify right side
    525,200,883.44x = 208,048,573,599,328,448
  5. Step 5: Solve for x
    x = 208,048,573,599,328,448/525,200,883.44
  6. Step 6: Final answer
    x = 396,131,423.54

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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.