Home / 555,236,363.95-827,890,590.03-539,981,682.19

Finding the Fourth Proportional to 555,236,363.95, 827,890,590.03 and 539,981,682.19

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Solution

The fourth proportional to 555,236,363.95, 827,890,590.03 and 539,981,682.19 is: 805,144,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,236,363.95 : 827,890,590.03 = 539,981,682.19 : x
  2. Step 2: Convert to fraction form
    555,236,363.95/827,890,590.03 = 539,981,682.19/x
  3. Step 3: Cross multiply
    555,236,363.95x = 827,890,590.03 × 539,981,682.19
  4. Step 4: Simplify right side
    555,236,363.95x = 447,045,753,473,671,104
  5. Step 5: Solve for x
    x = 447,045,753,473,671,104/555,236,363.95
  6. Step 6: Final answer
    x = 805,144,948.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.