Home / 896,989,343.15-1,345,484,014.73-655,124,639.15

Finding the Fourth Proportional to 896,989,343.15, 1,345,484,014.73 and 655,124,639.15

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Solution

The fourth proportional to 896,989,343.15, 1,345,484,014.73 and 655,124,639.15 is: 982,686,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,989,343.15 : 1,345,484,014.73 = 655,124,639.15 : x
  2. Step 2: Convert to fraction form
    896,989,343.15/1,345,484,014.73 = 655,124,639.15/x
  3. Step 3: Cross multiply
    896,989,343.15x = 1,345,484,014.73 × 655,124,639.15
  4. Step 4: Simplify right side
    896,989,343.15x = 881,459,729,632,084,480
  5. Step 5: Solve for x
    x = 881,459,729,632,084,480/896,989,343.15
  6. Step 6: Final answer
    x = 982,686,958.73

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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.