Home / 888,684,688.32-1,227,209,233.73-665,278,515.83

Finding the Fourth Proportional to 888,684,688.32, 1,227,209,233.73 and 665,278,515.83

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Solution

The fourth proportional to 888,684,688.32, 1,227,209,233.73 and 665,278,515.83 is: 918,701,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,684,688.32 : 1,227,209,233.73 = 665,278,515.83 : x
  2. Step 2: Convert to fraction form
    888,684,688.32/1,227,209,233.73 = 665,278,515.83/x
  3. Step 3: Cross multiply
    888,684,688.32x = 1,227,209,233.73 × 665,278,515.83
  4. Step 4: Simplify right side
    888,684,688.32x = 816,435,937,619,303,552
  5. Step 5: Solve for x
    x = 816,435,937,619,303,552/888,684,688.32
  6. Step 6: Final answer
    x = 918,701,479.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.