Home / 649,541,365.60-974,312,048.40-511,791,858.40

Finding the Fourth Proportional to 649,541,365.60, 974,312,048.40 and 511,791,858.40

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Solution

The fourth proportional to 649,541,365.60, 974,312,048.40 and 511,791,858.40 is: 767,687,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,365.60 : 974,312,048.40 = 511,791,858.40 : x
  2. Step 2: Convert to fraction form
    649,541,365.60/974,312,048.40 = 511,791,858.40/x
  3. Step 3: Cross multiply
    649,541,365.60x = 974,312,048.40 × 511,791,858.40
  4. Step 4: Simplify right side
    649,541,365.60x = 498,644,973,912,146,688
  5. Step 5: Solve for x
    x = 498,644,973,912,146,688/649,541,365.60
  6. Step 6: Final answer
    x = 767,687,787.60

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1.5x scale

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.