Home / 945,117,986.10-1,417,676,979.15-255,024,132.90

Finding the Fourth Proportional to 945,117,986.10, 1,417,676,979.15 and 255,024,132.90

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Solution

The fourth proportional to 945,117,986.10, 1,417,676,979.15 and 255,024,132.90 is: 382,536,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,117,986.10 : 1,417,676,979.15 = 255,024,132.90 : x
  2. Step 2: Convert to fraction form
    945,117,986.10/1,417,676,979.15 = 255,024,132.90/x
  3. Step 3: Cross multiply
    945,117,986.10x = 1,417,676,979.15 × 255,024,132.90
  4. Step 4: Simplify right side
    945,117,986.10x = 361,541,842,340,020,160
  5. Step 5: Solve for x
    x = 361,541,842,340,020,160/945,117,986.10
  6. Step 6: Final answer
    x = 382,536,199.35

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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.