Home / 7,115,095,953.92-9,818,833,347.12-3,943,484,630.84

Finding the Fourth Proportional to 7,115,095,953.92, 9,818,833,347.12 and 3,943,484,630.84

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Solution

The fourth proportional to 7,115,095,953.92, 9,818,833,347.12 and 3,943,484,630.84 is: 5,442,009,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,095,953.92 : 9,818,833,347.12 = 3,943,484,630.84 : x
  2. Step 2: Convert to fraction form
    7,115,095,953.92/9,818,833,347.12 = 3,943,484,630.84/x
  3. Step 3: Cross multiply
    7,115,095,953.92x = 9,818,833,347.12 × 3,943,484,630.84
  4. Step 4: Simplify right side
    7,115,095,953.92x = 38,720,418,397,146,996,736
  5. Step 5: Solve for x
    x = 38,720,418,397,146,996,736/7,115,095,953.92
  6. Step 6: Final answer
    x = 5,442,009,306.40

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Double scale
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1.5x scale

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.