Home / 534,134,411.60-801,201,617.40-485,666,992.40

Finding the Fourth Proportional to 534,134,411.60, 801,201,617.40 and 485,666,992.40

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Solution

The fourth proportional to 534,134,411.60, 801,201,617.40 and 485,666,992.40 is: 728,500,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,134,411.60 : 801,201,617.40 = 485,666,992.40 : x
  2. Step 2: Convert to fraction form
    534,134,411.60/801,201,617.40 = 485,666,992.40/x
  3. Step 3: Cross multiply
    534,134,411.60x = 801,201,617.40 × 485,666,992.40
  4. Step 4: Simplify right side
    534,134,411.60x = 389,117,179,828,673,472
  5. Step 5: Solve for x
    x = 389,117,179,828,673,472/534,134,411.60
  6. Step 6: Final answer
    x = 728,500,488.60

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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.