Home / 328,849,403.74-453,754,492.65-187,656,158.86

Finding the Fourth Proportional to 328,849,403.74, 453,754,492.65 and 187,656,158.86

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Solution

The fourth proportional to 328,849,403.74, 453,754,492.65 and 187,656,158.86 is: 258,932,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,849,403.74 : 453,754,492.65 = 187,656,158.86 : x
  2. Step 2: Convert to fraction form
    328,849,403.74/453,754,492.65 = 187,656,158.86/x
  3. Step 3: Cross multiply
    328,849,403.74x = 453,754,492.65 × 187,656,158.86
  4. Step 4: Simplify right side
    328,849,403.74x = 85,149,825,156,167,104
  5. Step 5: Solve for x
    x = 85,149,825,156,167,104/328,849,403.74
  6. Step 6: Final answer
    x = 258,932,581.87

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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.