Home / 798,357,397.60-1,197,536,096.40-389,675,720.80

Finding the Fourth Proportional to 798,357,397.60, 1,197,536,096.40 and 389,675,720.80

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Solution

The fourth proportional to 798,357,397.60, 1,197,536,096.40 and 389,675,720.80 is: 584,513,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,357,397.60 : 1,197,536,096.40 = 389,675,720.80 : x
  2. Step 2: Convert to fraction form
    798,357,397.60/1,197,536,096.40 = 389,675,720.80/x
  3. Step 3: Cross multiply
    798,357,397.60x = 1,197,536,096.40 × 389,675,720.80
  4. Step 4: Simplify right side
    798,357,397.60x = 466,650,741,548,688,320
  5. Step 5: Solve for x
    x = 466,650,741,548,688,320/798,357,397.60
  6. Step 6: Final answer
    x = 584,513,581.20

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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.