Home / 369,817,416.78-510,329,849.04-202,554,407.76

Finding the Fourth Proportional to 369,817,416.78, 510,329,849.04 and 202,554,407.76

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Solution

The fourth proportional to 369,817,416.78, 510,329,849.04 and 202,554,407.76 is: 279,515,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,817,416.78 : 510,329,849.04 = 202,554,407.76 : x
  2. Step 2: Convert to fraction form
    369,817,416.78/510,329,849.04 = 202,554,407.76/x
  3. Step 3: Cross multiply
    369,817,416.78x = 510,329,849.04 × 202,554,407.76
  4. Step 4: Simplify right side
    369,817,416.78x = 103,369,560,334,547,408
  5. Step 5: Solve for x
    x = 103,369,560,334,547,408/369,817,416.78
  6. Step 6: Final answer
    x = 279,515,121.91

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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.