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Finding the Fourth Proportional to 70,307,998.40, 98,498,382.40 and 70,307,998.40

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Solution

The fourth proportional to 70,307,998.40, 98,498,382.40 and 70,307,998.40 is: 98,498,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,307,998.40 : 98,498,382.40 = 70,307,998.40 : x
  2. Step 2: Convert to fraction form
    70,307,998.40/98,498,382.40 = 70,307,998.40/x
  3. Step 3: Cross multiply
    70,307,998.40x = 98,498,382.40 × 70,307,998.40
  4. Step 4: Simplify right side
    70,307,998.40x = 6,925,224,112,181,789
  5. Step 5: Solve for x
    x = 6,925,224,112,181,789/70,307,998.40
  6. Step 6: Final answer
    x = 98,498,382.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.