Home / 810,654,823.64-1,118,807,262.08-453,442,451.96

Finding the Fourth Proportional to 810,654,823.64, 1,118,807,262.08 and 453,442,451.96

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Solution

The fourth proportional to 810,654,823.64, 1,118,807,262.08 and 453,442,451.96 is: 625,808,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,654,823.64 : 1,118,807,262.08 = 453,442,451.96 : x
  2. Step 2: Convert to fraction form
    810,654,823.64/1,118,807,262.08 = 453,442,451.96/x
  3. Step 3: Cross multiply
    810,654,823.64x = 1,118,807,262.08 × 453,442,451.96
  4. Step 4: Simplify right side
    810,654,823.64x = 507,314,708,188,209,472
  5. Step 5: Solve for x
    x = 507,314,708,188,209,472/810,654,823.64
  6. Step 6: Final answer
    x = 625,808,535.76

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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.