Home / 1,119,555,056.64-1,545,057,077.76-624,516,756.48

Finding the Fourth Proportional to 1,119,555,056.64, 1,545,057,077.76 and 624,516,756.48

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Solution

The fourth proportional to 1,119,555,056.64, 1,545,057,077.76 and 624,516,756.48 is: 861,872,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,555,056.64 : 1,545,057,077.76 = 624,516,756.48 : x
  2. Step 2: Convert to fraction form
    1,119,555,056.64/1,545,057,077.76 = 624,516,756.48/x
  3. Step 3: Cross multiply
    1,119,555,056.64x = 1,545,057,077.76 × 624,516,756.48
  4. Step 4: Simplify right side
    1,119,555,056.64x = 964,914,034,779,142,400
  5. Step 5: Solve for x
    x = 964,914,034,779,142,400/1,119,555,056.64
  6. Step 6: Final answer
    x = 861,872,785.14

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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.