Home / 864,825,515.22-1,299,307,787.50-554,541,048.55

Finding the Fourth Proportional to 864,825,515.22, 1,299,307,787.50 and 554,541,048.55

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Solution

The fourth proportional to 864,825,515.22, 1,299,307,787.50 and 554,541,048.55 is: 833,138,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,515.22 : 1,299,307,787.50 = 554,541,048.55 : x
  2. Step 2: Convert to fraction form
    864,825,515.22/1,299,307,787.50 = 554,541,048.55/x
  3. Step 3: Cross multiply
    864,825,515.22x = 1,299,307,787.50 × 554,541,048.55
  4. Step 4: Simplify right side
    864,825,515.22x = 720,519,502,869,430,528
  5. Step 5: Solve for x
    x = 720,519,502,869,430,528/864,825,515.22
  6. Step 6: Final answer
    x = 833,138,581.35

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1.5x scale

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.