Home / 392,917,640.64-589,376,461.59-159,693,710.76

Finding the Fourth Proportional to 392,917,640.64, 589,376,461.59 and 159,693,710.76

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Solution

The fourth proportional to 392,917,640.64, 589,376,461.59 and 159,693,710.76 is: 239,540,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,917,640.64 : 589,376,461.59 = 159,693,710.76 : x
  2. Step 2: Convert to fraction form
    392,917,640.64/589,376,461.59 = 159,693,710.76/x
  3. Step 3: Cross multiply
    392,917,640.64x = 589,376,461.59 × 159,693,710.76
  4. Step 4: Simplify right side
    392,917,640.64x = 94,119,714,185,905,712
  5. Step 5: Solve for x
    x = 94,119,714,185,905,712/392,917,640.64
  6. Step 6: Final answer
    x = 239,540,566.40

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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.