Home / 525,851,085.38-725,695,864.81-290,897,695.04

Finding the Fourth Proportional to 525,851,085.38, 725,695,864.81 and 290,897,695.04

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Solution

The fourth proportional to 525,851,085.38, 725,695,864.81 and 290,897,695.04 is: 401,450,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,851,085.38 : 725,695,864.81 = 290,897,695.04 : x
  2. Step 2: Convert to fraction form
    525,851,085.38/725,695,864.81 = 290,897,695.04/x
  3. Step 3: Cross multiply
    525,851,085.38x = 725,695,864.81 × 290,897,695.04
  4. Step 4: Simplify right side
    525,851,085.38x = 211,103,254,368,932,736
  5. Step 5: Solve for x
    x = 211,103,254,368,932,736/525,851,085.38
  6. Step 6: Final answer
    x = 401,450,639.24

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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.