Home / 452,155,442.38-678,000,287.20-202,947,059.63

Finding the Fourth Proportional to 452,155,442.38, 678,000,287.20 and 202,947,059.63

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Solution

The fourth proportional to 452,155,442.38, 678,000,287.20 and 202,947,059.63 is: 304,316,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,155,442.38 : 678,000,287.20 = 202,947,059.63 : x
  2. Step 2: Convert to fraction form
    452,155,442.38/678,000,287.20 = 202,947,059.63/x
  3. Step 3: Cross multiply
    452,155,442.38x = 678,000,287.20 × 202,947,059.63
  4. Step 4: Simplify right side
    452,155,442.38x = 137,598,164,712,535,296
  5. Step 5: Solve for x
    x = 137,598,164,712,535,296/452,155,442.38
  6. Step 6: Final answer
    x = 304,316,064.38

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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.