Home / 472,771,569.78-708,593,154.02-220,039,639.29

Finding the Fourth Proportional to 472,771,569.78, 708,593,154.02 and 220,039,639.29

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Solution

The fourth proportional to 472,771,569.78, 708,593,154.02 and 220,039,639.29 is: 329,796,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,771,569.78 : 708,593,154.02 = 220,039,639.29 : x
  2. Step 2: Convert to fraction form
    472,771,569.78/708,593,154.02 = 220,039,639.29/x
  3. Step 3: Cross multiply
    472,771,569.78x = 708,593,154.02 × 220,039,639.29
  4. Step 4: Simplify right side
    472,771,569.78x = 155,918,582,012,824,000
  5. Step 5: Solve for x
    x = 155,918,582,012,824,000/472,771,569.78
  6. Step 6: Final answer
    x = 329,796,865.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.