Home / 346,999,521.83-520,480,123.85-253,722,080.26

Finding the Fourth Proportional to 346,999,521.83, 520,480,123.85 and 253,722,080.26

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Solution

The fourth proportional to 346,999,521.83, 520,480,123.85 and 253,722,080.26 is: 380,569,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,999,521.83 : 520,480,123.85 = 253,722,080.26 : x
  2. Step 2: Convert to fraction form
    346,999,521.83/520,480,123.85 = 253,722,080.26/x
  3. Step 3: Cross multiply
    346,999,521.83x = 520,480,123.85 × 253,722,080.26
  4. Step 4: Simplify right side
    346,999,521.83x = 132,057,299,754,602,048
  5. Step 5: Solve for x
    x = 132,057,299,754,602,048/346,999,521.83
  6. Step 6: Final answer
    x = 380,569,111.62

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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.