Home / 1,500,432,142.13-2,250,443,905.95-394,944,424.90

Finding the Fourth Proportional to 1,500,432,142.13, 2,250,443,905.95 and 394,944,424.90

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Solution

The fourth proportional to 1,500,432,142.13, 2,250,443,905.95 and 394,944,424.90 is: 592,362,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,432,142.13 : 2,250,443,905.95 = 394,944,424.90 : x
  2. Step 2: Convert to fraction form
    1,500,432,142.13/2,250,443,905.95 = 394,944,424.90/x
  3. Step 3: Cross multiply
    1,500,432,142.13x = 2,250,443,905.95 × 394,944,424.90
  4. Step 4: Simplify right side
    1,500,432,142.13x = 888,800,274,199,506,176
  5. Step 5: Solve for x
    x = 888,800,274,199,506,176/1,500,432,142.13
  6. Step 6: Final answer
    x = 592,362,859.50

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1.5x scale

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.