Home / 936,626,381.20-1,292,543,396.31-513,250,365.88

Finding the Fourth Proportional to 936,626,381.20, 1,292,543,396.31 and 513,250,365.88

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Solution

The fourth proportional to 936,626,381.20, 1,292,543,396.31 and 513,250,365.88 is: 708,284,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,626,381.20 : 1,292,543,396.31 = 513,250,365.88 : x
  2. Step 2: Convert to fraction form
    936,626,381.20/1,292,543,396.31 = 513,250,365.88/x
  3. Step 3: Cross multiply
    936,626,381.20x = 1,292,543,396.31 × 513,250,365.88
  4. Step 4: Simplify right side
    936,626,381.20x = 663,398,371,071,885,312
  5. Step 5: Solve for x
    x = 663,398,371,071,885,312/936,626,381.20
  6. Step 6: Final answer
    x = 708,284,951.60

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1.5x scale

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.