Home / 1,077,687,621.40-1,616,531,432.10-690,267,132.40

Finding the Fourth Proportional to 1,077,687,621.40, 1,616,531,432.10 and 690,267,132.40

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Solution

The fourth proportional to 1,077,687,621.40, 1,616,531,432.10 and 690,267,132.40 is: 1,035,400,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,687,621.40 : 1,616,531,432.10 = 690,267,132.40 : x
  2. Step 2: Convert to fraction form
    1,077,687,621.40/1,616,531,432.10 = 690,267,132.40/x
  3. Step 3: Cross multiply
    1,077,687,621.40x = 1,616,531,432.10 × 690,267,132.40
  4. Step 4: Simplify right side
    1,077,687,621.40x = 1,115,838,516,070,132,224
  5. Step 5: Solve for x
    x = 1,115,838,516,070,132,224/1,077,687,621.40
  6. Step 6: Final answer
    x = 1,035,400,698.60

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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.