Home / 891,140,647.52-1,336,709,844.96-338,442,046.40

Finding the Fourth Proportional to 891,140,647.52, 1,336,709,844.96 and 338,442,046.40

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Solution

The fourth proportional to 891,140,647.52, 1,336,709,844.96 and 338,442,046.40 is: 507,662,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,140,647.52 : 1,336,709,844.96 = 338,442,046.40 : x
  2. Step 2: Convert to fraction form
    891,140,647.52/1,336,709,844.96 = 338,442,046.40/x
  3. Step 3: Cross multiply
    891,140,647.52x = 1,336,709,844.96 × 338,442,046.40
  4. Step 4: Simplify right side
    891,140,647.52x = 452,398,815,371,289,088
  5. Step 5: Solve for x
    x = 452,398,815,371,289,088/891,140,647.52
  6. Step 6: Final answer
    x = 507,662,641.84

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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.