Home / 814,615,604.03-1,124,287,991.80-457,423,479.11

Finding the Fourth Proportional to 814,615,604.03, 1,124,287,991.80 and 457,423,479.11

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Solution

The fourth proportional to 814,615,604.03, 1,124,287,991.80 and 457,423,479.11 is: 631,310,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,615,604.03 : 1,124,287,991.80 = 457,423,479.11 : x
  2. Step 2: Convert to fraction form
    814,615,604.03/1,124,287,991.80 = 457,423,479.11/x
  3. Step 3: Cross multiply
    814,615,604.03x = 1,124,287,991.80 × 457,423,479.11
  4. Step 4: Simplify right side
    814,615,604.03x = 514,275,724,732,418,304
  5. Step 5: Solve for x
    x = 514,275,724,732,418,304/814,615,604.03
  6. Step 6: Final answer
    x = 631,310,917.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.