Home / 1,052,164,927.20-1,578,247,390.80-286,260,031.20

Finding the Fourth Proportional to 1,052,164,927.20, 1,578,247,390.80 and 286,260,031.20

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Solution

The fourth proportional to 1,052,164,927.20, 1,578,247,390.80 and 286,260,031.20 is: 429,390,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,164,927.20 : 1,578,247,390.80 = 286,260,031.20 : x
  2. Step 2: Convert to fraction form
    1,052,164,927.20/1,578,247,390.80 = 286,260,031.20/x
  3. Step 3: Cross multiply
    1,052,164,927.20x = 1,578,247,390.80 × 286,260,031.20
  4. Step 4: Simplify right side
    1,052,164,927.20x = 451,789,147,331,726,592
  5. Step 5: Solve for x
    x = 451,789,147,331,726,592/1,052,164,927.20
  6. Step 6: Final answer
    x = 429,390,046.80

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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.