Home / 896,990,670.15-1,345,486,005.23-655,125,966.15

Finding the Fourth Proportional to 896,990,670.15, 1,345,486,005.23 and 655,125,966.15

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Solution

The fourth proportional to 896,990,670.15, 1,345,486,005.23 and 655,125,966.15 is: 982,688,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,670.15 : 1,345,486,005.23 = 655,125,966.15 : x
  2. Step 2: Convert to fraction form
    896,990,670.15/1,345,486,005.23 = 655,125,966.15/x
  3. Step 3: Cross multiply
    896,990,670.15x = 1,345,486,005.23 × 655,125,966.15
  4. Step 4: Simplify right side
    896,990,670.15x = 881,462,819,117,607,680
  5. Step 5: Solve for x
    x = 881,462,819,117,607,680/896,990,670.15
  6. Step 6: Final answer
    x = 982,688,949.23

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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.