Home / 1,340,712,005.70-2,011,068,008.55-371,363,621.70

Finding the Fourth Proportional to 1,340,712,005.70, 2,011,068,008.55 and 371,363,621.70

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Solution

The fourth proportional to 1,340,712,005.70, 2,011,068,008.55 and 371,363,621.70 is: 557,045,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,712,005.70 : 2,011,068,008.55 = 371,363,621.70 : x
  2. Step 2: Convert to fraction form
    1,340,712,005.70/2,011,068,008.55 = 371,363,621.70/x
  3. Step 3: Cross multiply
    1,340,712,005.70x = 2,011,068,008.55 × 371,363,621.70
  4. Step 4: Simplify right side
    1,340,712,005.70x = 746,837,499,140,134,528
  5. Step 5: Solve for x
    x = 746,837,499,140,134,528/1,340,712,005.70
  6. Step 6: Final answer
    x = 557,045,432.55

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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.