Home / 1,003,960,649.84-1,385,499,341.92-557,942,811.88

Finding the Fourth Proportional to 1,003,960,649.84, 1,385,499,341.92 and 557,942,811.88

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Solution

The fourth proportional to 1,003,960,649.84, 1,385,499,341.92 and 557,942,811.88 is: 769,979,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,960,649.84 : 1,385,499,341.92 = 557,942,811.88 : x
  2. Step 2: Convert to fraction form
    1,003,960,649.84/1,385,499,341.92 = 557,942,811.88/x
  3. Step 3: Cross multiply
    1,003,960,649.84x = 1,385,499,341.92 × 557,942,811.88
  4. Step 4: Simplify right side
    1,003,960,649.84x = 773,029,398,688,734,336
  5. Step 5: Solve for x
    x = 773,029,398,688,734,336/1,003,960,649.84
  6. Step 6: Final answer
    x = 769,979,778.40

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Double scale
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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.