Home / 1,240,712,497.80-1,861,068,746.70-1,146,009,711.60

Finding the Fourth Proportional to 1,240,712,497.80, 1,861,068,746.70 and 1,146,009,711.60

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Solution

The fourth proportional to 1,240,712,497.80, 1,861,068,746.70 and 1,146,009,711.60 is: 1,719,014,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,712,497.80 : 1,861,068,746.70 = 1,146,009,711.60 : x
  2. Step 2: Convert to fraction form
    1,240,712,497.80/1,861,068,746.70 = 1,146,009,711.60/x
  3. Step 3: Cross multiply
    1,240,712,497.80x = 1,861,068,746.70 × 1,146,009,711.60
  4. Step 4: Simplify right side
    1,240,712,497.80x = 2,132,802,857,673,440,256
  5. Step 5: Solve for x
    x = 2,132,802,857,673,440,256/1,240,712,497.80
  6. Step 6: Final answer
    x = 1,719,014,567.40

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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.