Home / 482,861,431.80-724,292,147.70-384,225,982.20

Finding the Fourth Proportional to 482,861,431.80, 724,292,147.70 and 384,225,982.20

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Solution

The fourth proportional to 482,861,431.80, 724,292,147.70 and 384,225,982.20 is: 576,338,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,861,431.80 : 724,292,147.70 = 384,225,982.20 : x
  2. Step 2: Convert to fraction form
    482,861,431.80/724,292,147.70 = 384,225,982.20/x
  3. Step 3: Cross multiply
    482,861,431.80x = 724,292,147.70 × 384,225,982.20
  4. Step 4: Simplify right side
    482,861,431.80x = 278,291,861,849,779,968
  5. Step 5: Solve for x
    x = 278,291,861,849,779,968/482,861,431.80
  6. Step 6: Final answer
    x = 576,338,973.30

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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.