Home / 847,068,285.84-1,168,982,589.06-470,740,737.12

Finding the Fourth Proportional to 847,068,285.84, 1,168,982,589.06 and 470,740,737.12

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Solution

The fourth proportional to 847,068,285.84, 1,168,982,589.06 and 470,740,737.12 is: 649,637,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,068,285.84 : 1,168,982,589.06 = 470,740,737.12 : x
  2. Step 2: Convert to fraction form
    847,068,285.84/1,168,982,589.06 = 470,740,737.12/x
  3. Step 3: Cross multiply
    847,068,285.84x = 1,168,982,589.06 × 470,740,737.12
  4. Step 4: Simplify right side
    847,068,285.84x = 550,287,725,654,550,400
  5. Step 5: Solve for x
    x = 550,287,725,654,550,400/847,068,285.84
  6. Step 6: Final answer
    x = 649,637,974.71

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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.