Home / 347,775,812.80-521,663,719.20-225,331,806.40

Finding the Fourth Proportional to 347,775,812.80, 521,663,719.20 and 225,331,806.40

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Solution

The fourth proportional to 347,775,812.80, 521,663,719.20 and 225,331,806.40 is: 337,997,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,775,812.80 : 521,663,719.20 = 225,331,806.40 : x
  2. Step 2: Convert to fraction form
    347,775,812.80/521,663,719.20 = 225,331,806.40/x
  3. Step 3: Cross multiply
    347,775,812.80x = 521,663,719.20 × 225,331,806.40
  4. Step 4: Simplify right side
    347,775,812.80x = 117,547,428,180,678,368
  5. Step 5: Solve for x
    x = 117,547,428,180,678,368/347,775,812.80
  6. Step 6: Final answer
    x = 337,997,709.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.