Home / 1,426,458,760.10-2,139,688,140.15-814,238,728.10

Finding the Fourth Proportional to 1,426,458,760.10, 2,139,688,140.15 and 814,238,728.10

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Solution

The fourth proportional to 1,426,458,760.10, 2,139,688,140.15 and 814,238,728.10 is: 1,221,358,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,458,760.10 : 2,139,688,140.15 = 814,238,728.10 : x
  2. Step 2: Convert to fraction form
    1,426,458,760.10/2,139,688,140.15 = 814,238,728.10/x
  3. Step 3: Cross multiply
    1,426,458,760.10x = 2,139,688,140.15 × 814,238,728.10
  4. Step 4: Simplify right side
    1,426,458,760.10x = 1,742,216,949,766,390,784
  5. Step 5: Solve for x
    x = 1,742,216,949,766,390,784/1,426,458,760.10
  6. Step 6: Final answer
    x = 1,221,358,092.15

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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.