Home / 1,419,787,038.16-2,129,723,943-487,096,802.56

Finding the Fourth Proportional to 1,419,787,038.16, 2,129,723,943 and 487,096,802.56

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Solution

The fourth proportional to 1,419,787,038.16, 2,129,723,943 and 487,096,802.56 is: 730,660,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,787,038.16 : 2,129,723,943 = 487,096,802.56 : x
  2. Step 2: Convert to fraction form
    1,419,787,038.16/2,129,723,943 = 487,096,802.56/x
  3. Step 3: Cross multiply
    1,419,787,038.16x = 2,129,723,943 × 487,096,802.56
  4. Step 4: Simplify right side
    1,419,787,038.16x = 1,037,381,722,970,775,680
  5. Step 5: Solve for x
    x = 1,037,381,722,970,775,680/1,419,787,038.16
  6. Step 6: Final answer
    x = 730,660,088.51

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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.