Home / 867,480,732,077.20-1,301,221,098,115.80-308,934,508,973.20

Finding the Fourth Proportional to 867,480,732,077.20, 1,301,221,098,115.80 and 308,934,508,973.20

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Solution

The fourth proportional to 867,480,732,077.20, 1,301,221,098,115.80 and 308,934,508,973.20 is: 463,401,763,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,480,732,077.20 : 1,301,221,098,115.80 = 308,934,508,973.20 : x
  2. Step 2: Convert to fraction form
    867,480,732,077.20/1,301,221,098,115.80 = 308,934,508,973.20/x
  3. Step 3: Cross multiply
    867,480,732,077.20x = 1,301,221,098,115.80 × 308,934,508,973.20
  4. Step 4: Simplify right side
    867,480,732,077.20x = 401,992,101,011,972,784,390,144
  5. Step 5: Solve for x
    x = 401,992,101,011,972,784,390,144/867,480,732,077.20
  6. Step 6: Final answer
    x = 463,401,763,459.80

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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.