Home / 502,002,086.06-692,547,986.76-313,503,129.56

Finding the Fourth Proportional to 502,002,086.06, 692,547,986.76 and 313,503,129.56

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Solution

The fourth proportional to 502,002,086.06, 692,547,986.76 and 313,503,129.56 is: 432,500,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,086.06 : 692,547,986.76 = 313,503,129.56 : x
  2. Step 2: Convert to fraction form
    502,002,086.06/692,547,986.76 = 313,503,129.56/x
  3. Step 3: Cross multiply
    502,002,086.06x = 692,547,986.76 × 313,503,129.56
  4. Step 4: Simplify right side
    502,002,086.06x = 217,115,961,219,737,440
  5. Step 5: Solve for x
    x = 217,115,961,219,737,440/502,002,086.06
  6. Step 6: Final answer
    x = 432,500,117.53

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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.