Home / 542,760,918,869.80-814,141,378,304.70-495,742,420,412.20

Finding the Fourth Proportional to 542,760,918,869.80, 814,141,378,304.70 and 495,742,420,412.20

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Solution

The fourth proportional to 542,760,918,869.80, 814,141,378,304.70 and 495,742,420,412.20 is: 743,613,630,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,760,918,869.80 : 814,141,378,304.70 = 495,742,420,412.20 : x
  2. Step 2: Convert to fraction form
    542,760,918,869.80/814,141,378,304.70 = 495,742,420,412.20/x
  3. Step 3: Cross multiply
    542,760,918,869.80x = 814,141,378,304.70 × 495,742,420,412.20
  4. Step 4: Simplify right side
    542,760,918,869.80x = 403,604,417,438,496,545,832,960
  5. Step 5: Solve for x
    x = 403,604,417,438,496,545,832,960/542,760,918,869.80
  6. Step 6: Final answer
    x = 743,613,630,618.30

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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.