Home / 896,990,564.15-1,345,485,846.23-655,125,860.15

Finding the Fourth Proportional to 896,990,564.15, 1,345,485,846.23 and 655,125,860.15

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Solution

The fourth proportional to 896,990,564.15, 1,345,485,846.23 and 655,125,860.15 is: 982,688,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,564.15 : 1,345,485,846.23 = 655,125,860.15 : x
  2. Step 2: Convert to fraction form
    896,990,564.15/1,345,485,846.23 = 655,125,860.15/x
  3. Step 3: Cross multiply
    896,990,564.15x = 1,345,485,846.23 × 655,125,860.15
  4. Step 4: Simplify right side
    896,990,564.15x = 881,462,572,327,803,648
  5. Step 5: Solve for x
    x = 881,462,572,327,803,648/896,990,564.15
  6. Step 6: Final answer
    x = 982,688,790.23

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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.