Home / 575,578,842.20-863,368,263.30-400,226,931.80

Finding the Fourth Proportional to 575,578,842.20, 863,368,263.30 and 400,226,931.80

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Solution

The fourth proportional to 575,578,842.20, 863,368,263.30 and 400,226,931.80 is: 600,340,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,578,842.20 : 863,368,263.30 = 400,226,931.80 : x
  2. Step 2: Convert to fraction form
    575,578,842.20/863,368,263.30 = 400,226,931.80/x
  3. Step 3: Cross multiply
    575,578,842.20x = 863,368,263.30 × 400,226,931.80
  4. Step 4: Simplify right side
    575,578,842.20x = 345,543,231,034,053,504
  5. Step 5: Solve for x
    x = 345,543,231,034,053,504/575,578,842.20
  6. Step 6: Final answer
    x = 600,340,397.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.