Home / 3,931,034,359,386.80-5,424,357,587,986-2,172,946,405,144.80

Finding the Fourth Proportional to 3,931,034,359,386.80, 5,424,357,587,986 and 2,172,946,405,144.80

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Solution

The fourth proportional to 3,931,034,359,386.80, 5,424,357,587,986 and 2,172,946,405,144.80 is: 2,998,406,333,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,034,359,386.80 : 5,424,357,587,986 = 2,172,946,405,144.80 : x
  2. Step 2: Convert to fraction form
    3,931,034,359,386.80/5,424,357,587,986 = 2,172,946,405,144.80/x
  3. Step 3: Cross multiply
    3,931,034,359,386.80x = 5,424,357,587,986 × 2,172,946,405,144.80
  4. Step 4: Simplify right side
    3,931,034,359,386.80x = 11,786,838,321,034,097,737,072,640
  5. Step 5: Solve for x
    x = 11,786,838,321,034,097,737,072,640/3,931,034,359,386.80
  6. Step 6: Final answer
    x = 2,998,406,333,663.47

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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.