Home / 1,591,513,813.20-2,387,270,719.80-442,656,469.20

Finding the Fourth Proportional to 1,591,513,813.20, 2,387,270,719.80 and 442,656,469.20

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Solution

The fourth proportional to 1,591,513,813.20, 2,387,270,719.80 and 442,656,469.20 is: 663,984,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,513,813.20 : 2,387,270,719.80 = 442,656,469.20 : x
  2. Step 2: Convert to fraction form
    1,591,513,813.20/2,387,270,719.80 = 442,656,469.20/x
  3. Step 3: Cross multiply
    1,591,513,813.20x = 2,387,270,719.80 × 442,656,469.20
  4. Step 4: Simplify right side
    1,591,513,813.20x = 1,056,740,827,851,210,624
  5. Step 5: Solve for x
    x = 1,056,740,827,851,210,624/1,591,513,813.20
  6. Step 6: Final answer
    x = 663,984,703.80

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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.