Home / 874,012,560.20-1,206,138,630.02-497,669,454.76

Finding the Fourth Proportional to 874,012,560.20, 1,206,138,630.02 and 497,669,454.76

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Solution

The fourth proportional to 874,012,560.20, 1,206,138,630.02 and 497,669,454.76 is: 686,784,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,012,560.20 : 1,206,138,630.02 = 497,669,454.76 : x
  2. Step 2: Convert to fraction form
    874,012,560.20/1,206,138,630.02 = 497,669,454.76/x
  3. Step 3: Cross multiply
    874,012,560.20x = 1,206,138,630.02 × 497,669,454.76
  4. Step 4: Simplify right side
    874,012,560.20x = 600,258,354,367,026,688
  5. Step 5: Solve for x
    x = 600,258,354,367,026,688/874,012,560.20
  6. Step 6: Final answer
    x = 686,784,586.06

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Double scale
Find fourth proportional to 874,012,561.20, 1,206,138,631.40 and 497,669,455.76
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1.5x scale

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.