Home / 810,897,877.57-1,119,082,520.81-453,644,342.47

Finding the Fourth Proportional to 810,897,877.57, 1,119,082,520.81 and 453,644,342.47

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Solution

The fourth proportional to 810,897,877.57, 1,119,082,520.81 and 453,644,342.47 is: 626,053,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,897,877.57 : 1,119,082,520.81 = 453,644,342.47 : x
  2. Step 2: Convert to fraction form
    810,897,877.57/1,119,082,520.81 = 453,644,342.47/x
  3. Step 3: Cross multiply
    810,897,877.57x = 1,119,082,520.81 × 453,644,342.47
  4. Step 4: Simplify right side
    810,897,877.57x = 507,665,454,314,658,880
  5. Step 5: Solve for x
    x = 507,665,454,314,658,880/810,897,877.57
  6. Step 6: Final answer
    x = 626,053,499.90

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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.