Home / 504,721,148.09-696,516,148.29-278,660,569.04

Finding the Fourth Proportional to 504,721,148.09, 696,516,148.29 and 278,660,569.04

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Solution

The fourth proportional to 504,721,148.09, 696,516,148.29 and 278,660,569.04 is: 384,552,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,721,148.09 : 696,516,148.29 = 278,660,569.04 : x
  2. Step 2: Convert to fraction form
    504,721,148.09/696,516,148.29 = 278,660,569.04/x
  3. Step 3: Cross multiply
    504,721,148.09x = 696,516,148.29 × 278,660,569.04
  4. Step 4: Simplify right side
    504,721,148.09x = 194,091,586,228,206,400
  5. Step 5: Solve for x
    x = 194,091,586,228,206,400/504,721,148.09
  6. Step 6: Final answer
    x = 384,552,117.47

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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.