Home / 1,003,960,831.04-1,385,499,589.08-557,942,989.76

Finding the Fourth Proportional to 1,003,960,831.04, 1,385,499,589.08 and 557,942,989.76

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Solution

The fourth proportional to 1,003,960,831.04, 1,385,499,589.08 and 557,942,989.76 is: 769,980,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,960,831.04 : 1,385,499,589.08 = 557,942,989.76 : x
  2. Step 2: Convert to fraction form
    1,003,960,831.04/1,385,499,589.08 = 557,942,989.76/x
  3. Step 3: Cross multiply
    1,003,960,831.04x = 1,385,499,589.08 × 557,942,989.76
  4. Step 4: Simplify right side
    1,003,960,831.04x = 773,029,783,042,546,560
  5. Step 5: Solve for x
    x = 773,029,783,042,546,560/1,003,960,831.04
  6. Step 6: Final answer
    x = 769,980,022.27

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Half scale
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Double scale
Find fourth proportional to 1,003,960,832.04, 1,385,499,590.46 and 557,942,990.76
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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.