Home / 531,438,031.60-797,157,047.40-477,690,319.60

Finding the Fourth Proportional to 531,438,031.60, 797,157,047.40 and 477,690,319.60

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Solution

The fourth proportional to 531,438,031.60, 797,157,047.40 and 477,690,319.60 is: 716,535,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,438,031.60 : 797,157,047.40 = 477,690,319.60 : x
  2. Step 2: Convert to fraction form
    531,438,031.60/797,157,047.40 = 477,690,319.60/x
  3. Step 3: Cross multiply
    531,438,031.60x = 797,157,047.40 × 477,690,319.60
  4. Step 4: Simplify right side
    531,438,031.60x = 380,794,204,743,898,368
  5. Step 5: Solve for x
    x = 380,794,204,743,898,368/531,438,031.60
  6. Step 6: Final answer
    x = 716,535,479.40

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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.