Home / 1,815,269,909.91-2,505,006,340.43-1,011,455,875.72

Finding the Fourth Proportional to 1,815,269,909.91, 2,505,006,340.43 and 1,011,455,875.72

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Solution

The fourth proportional to 1,815,269,909.91, 2,505,006,340.43 and 1,011,455,875.72 is: 1,395,772,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,269,909.91 : 2,505,006,340.43 = 1,011,455,875.72 : x
  2. Step 2: Convert to fraction form
    1,815,269,909.91/2,505,006,340.43 = 1,011,455,875.72/x
  3. Step 3: Cross multiply
    1,815,269,909.91x = 2,505,006,340.43 × 1,011,455,875.72
  4. Step 4: Simplify right side
    1,815,269,909.91x = 2,533,703,381,738,721,280
  5. Step 5: Solve for x
    x = 2,533,703,381,738,721,280/1,815,269,909.91
  6. Step 6: Final answer
    x = 1,395,772,258.39

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Double scale
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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.