Home / 284,699,272,396.40-392,859,027,881.92-168,936,083,437.68

Finding the Fourth Proportional to 284,699,272,396.40, 392,859,027,881.92 and 168,936,083,437.68

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Solution

The fourth proportional to 284,699,272,396.40, 392,859,027,881.92 and 168,936,083,437.68 is: 233,116,386,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,699,272,396.40 : 392,859,027,881.92 = 168,936,083,437.68 : x
  2. Step 2: Convert to fraction form
    284,699,272,396.40/392,859,027,881.92 = 168,936,083,437.68/x
  3. Step 3: Cross multiply
    284,699,272,396.40x = 392,859,027,881.92 × 168,936,083,437.68
  4. Step 4: Simplify right side
    284,699,272,396.40x = 66,368,065,513,505,888,927,744
  5. Step 5: Solve for x
    x = 66,368,065,513,505,888,927,744/284,699,272,396.40
  6. Step 6: Final answer
    x = 233,116,386,125.14

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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.