Home / 676,885,543.74-933,758,256.78-442,073,652.30

Finding the Fourth Proportional to 676,885,543.74, 933,758,256.78 and 442,073,652.30

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Solution

The fourth proportional to 676,885,543.74, 933,758,256.78 and 442,073,652.30 is: 609,837,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,885,543.74 : 933,758,256.78 = 442,073,652.30 : x
  2. Step 2: Convert to fraction form
    676,885,543.74/933,758,256.78 = 442,073,652.30/x
  3. Step 3: Cross multiply
    676,885,543.74x = 933,758,256.78 × 442,073,652.30
  4. Step 4: Simplify right side
    676,885,543.74x = 412,789,922,940,015,808
  5. Step 5: Solve for x
    x = 412,789,922,940,015,808/676,885,543.74
  6. Step 6: Final answer
    x = 609,837,108.74

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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.