Home / 292,411,629.20-438,617,443.80-235,016,001.20

Finding the Fourth Proportional to 292,411,629.20, 438,617,443.80 and 235,016,001.20

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Solution

The fourth proportional to 292,411,629.20, 438,617,443.80 and 235,016,001.20 is: 352,524,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,411,629.20 : 438,617,443.80 = 235,016,001.20 : x
  2. Step 2: Convert to fraction form
    292,411,629.20/438,617,443.80 = 235,016,001.20/x
  3. Step 3: Cross multiply
    292,411,629.20x = 438,617,443.80 × 235,016,001.20
  4. Step 4: Simplify right side
    292,411,629.20x = 103,082,117,698,441,728
  5. Step 5: Solve for x
    x = 103,082,117,698,441,728/292,411,629.20
  6. Step 6: Final answer
    x = 352,524,001.80

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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.