Home / 378,046,101.40-567,069,152.10-287,346,837.40

Finding the Fourth Proportional to 378,046,101.40, 567,069,152.10 and 287,346,837.40

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Solution

The fourth proportional to 378,046,101.40, 567,069,152.10 and 287,346,837.40 is: 431,020,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,046,101.40 : 567,069,152.10 = 287,346,837.40 : x
  2. Step 2: Convert to fraction form
    378,046,101.40/567,069,152.10 = 287,346,837.40/x
  3. Step 3: Cross multiply
    378,046,101.40x = 567,069,152.10 × 287,346,837.40
  4. Step 4: Simplify right side
    378,046,101.40x = 162,945,527,443,034,560
  5. Step 5: Solve for x
    x = 162,945,527,443,034,560/378,046,101.40
  6. Step 6: Final answer
    x = 431,020,256.10

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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.