Home / 292,267,007.40-438,400,511.10-181,302,126.60

Finding the Fourth Proportional to 292,267,007.40, 438,400,511.10 and 181,302,126.60

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Solution

The fourth proportional to 292,267,007.40, 438,400,511.10 and 181,302,126.60 is: 271,953,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,267,007.40 : 438,400,511.10 = 181,302,126.60 : x
  2. Step 2: Convert to fraction form
    292,267,007.40/438,400,511.10 = 181,302,126.60/x
  3. Step 3: Cross multiply
    292,267,007.40x = 438,400,511.10 × 181,302,126.60
  4. Step 4: Simplify right side
    292,267,007.40x = 79,482,944,964,956,912
  5. Step 5: Solve for x
    x = 79,482,944,964,956,912/292,267,007.40
  6. Step 6: Final answer
    x = 271,953,189.90

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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.