Home / 509,315,389.08-763,972,129.35-159,588,230.01

Finding the Fourth Proportional to 509,315,389.08, 763,972,129.35 and 159,588,230.01

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Solution

The fourth proportional to 509,315,389.08, 763,972,129.35 and 159,588,230.01 is: 239,382,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,389.08 : 763,972,129.35 = 159,588,230.01 : x
  2. Step 2: Convert to fraction form
    509,315,389.08/763,972,129.35 = 159,588,230.01/x
  3. Step 3: Cross multiply
    509,315,389.08x = 763,972,129.35 × 159,588,230.01
  4. Step 4: Simplify right side
    509,315,389.08x = 121,920,959,899,937,264
  5. Step 5: Solve for x
    x = 121,920,959,899,937,264/509,315,389.08
  6. Step 6: Final answer
    x = 239,382,046.01

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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.