Home / 896,990,672.15-1,345,486,008.23-655,125,968.15

Finding the Fourth Proportional to 896,990,672.15, 1,345,486,008.23 and 655,125,968.15

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Solution

The fourth proportional to 896,990,672.15, 1,345,486,008.23 and 655,125,968.15 is: 982,688,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,672.15 : 1,345,486,008.23 = 655,125,968.15 : x
  2. Step 2: Convert to fraction form
    896,990,672.15/1,345,486,008.23 = 655,125,968.15/x
  3. Step 3: Cross multiply
    896,990,672.15x = 1,345,486,008.23 × 655,125,968.15
  4. Step 4: Simplify right side
    896,990,672.15x = 881,462,823,773,957,632
  5. Step 5: Solve for x
    x = 881,462,823,773,957,632/896,990,672.15
  6. Step 6: Final answer
    x = 982,688,952.23

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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.