Home / 896,985,257.90-1,345,477,886.85-655,120,553.90

Finding the Fourth Proportional to 896,985,257.90, 1,345,477,886.85 and 655,120,553.90

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Solution

The fourth proportional to 896,985,257.90, 1,345,477,886.85 and 655,120,553.90 is: 982,680,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,985,257.90 : 1,345,477,886.85 = 655,120,553.90 : x
  2. Step 2: Convert to fraction form
    896,985,257.90/1,345,477,886.85 = 655,120,553.90/x
  3. Step 3: Cross multiply
    896,985,257.90x = 1,345,477,886.85 × 655,120,553.90
  4. Step 4: Simplify right side
    896,985,257.90x = 881,450,218,493,373,440
  5. Step 5: Solve for x
    x = 881,450,218,493,373,440/896,985,257.90
  6. Step 6: Final answer
    x = 982,680,830.85

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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.