Home / 561,708,218.20-842,226,404.10-289,610,426.20

Finding the Fourth Proportional to 561,708,218.20, 842,226,404.10 and 289,610,426.20

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Solution

The fourth proportional to 561,708,218.20, 842,226,404.10 and 289,610,426.20 is: 434,242,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,708,218.20 : 842,226,404.10 = 289,610,426.20 : x
  2. Step 2: Convert to fraction form
    561,708,218.20/842,226,404.10 = 289,610,426.20/x
  3. Step 3: Cross multiply
    561,708,218.20x = 842,226,404.10 × 289,610,426.20
  4. Step 4: Simplify right side
    561,708,218.20x = 243,917,547,848,294,432
  5. Step 5: Solve for x
    x = 243,917,547,848,294,432/561,708,218.20
  6. Step 6: Final answer
    x = 434,242,441.08

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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.