Home / 813,144,451.86-1,122,155,955.33-441,890,398.74

Finding the Fourth Proportional to 813,144,451.86, 1,122,155,955.33 and 441,890,398.74

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Solution

The fourth proportional to 813,144,451.86, 1,122,155,955.33 and 441,890,398.74 is: 609,817,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,144,451.86 : 1,122,155,955.33 = 441,890,398.74 : x
  2. Step 2: Convert to fraction form
    813,144,451.86/1,122,155,955.33 = 441,890,398.74/x
  3. Step 3: Cross multiply
    813,144,451.86x = 1,122,155,955.33 × 441,890,398.74
  4. Step 4: Simplify right side
    813,144,451.86x = 495,869,942,549,239,296
  5. Step 5: Solve for x
    x = 495,869,942,549,239,296/813,144,451.86
  6. Step 6: Final answer
    x = 609,817,777.66

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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.