Home / 1,010,977,682.40-1,516,466,523.60-847,719,007.20

Finding the Fourth Proportional to 1,010,977,682.40, 1,516,466,523.60 and 847,719,007.20

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Solution

The fourth proportional to 1,010,977,682.40, 1,516,466,523.60 and 847,719,007.20 is: 1,271,578,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,977,682.40 : 1,516,466,523.60 = 847,719,007.20 : x
  2. Step 2: Convert to fraction form
    1,010,977,682.40/1,516,466,523.60 = 847,719,007.20/x
  3. Step 3: Cross multiply
    1,010,977,682.40x = 1,516,466,523.60 × 847,719,007.20
  4. Step 4: Simplify right side
    1,010,977,682.40x = 1,285,537,495,838,227,456
  5. Step 5: Solve for x
    x = 1,285,537,495,838,227,456/1,010,977,682.40
  6. Step 6: Final answer
    x = 1,271,578,510.80

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Half scale
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Double scale
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Similar ratio
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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.