Home / 1,142,049,856.15-1,576,545,210.46-719,284,831.64

Finding the Fourth Proportional to 1,142,049,856.15, 1,576,545,210.46 and 719,284,831.64

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Solution

The fourth proportional to 1,142,049,856.15, 1,576,545,210.46 and 719,284,831.64 is: 992,938,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,049,856.15 : 1,576,545,210.46 = 719,284,831.64 : x
  2. Step 2: Convert to fraction form
    1,142,049,856.15/1,576,545,210.46 = 719,284,831.64/x
  3. Step 3: Cross multiply
    1,142,049,856.15x = 1,576,545,210.46 × 719,284,831.64
  4. Step 4: Simplify right side
    1,142,049,856.15x = 1,133,985,056,274,688,256
  5. Step 5: Solve for x
    x = 1,133,985,056,274,688,256/1,142,049,856.15
  6. Step 6: Final answer
    x = 992,938,311.90

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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.