Home / 447,502,941,923.88-617,668,961,846.52-291,461,973,913.68

Finding the Fourth Proportional to 447,502,941,923.88, 617,668,961,846.52 and 291,461,973,913.68

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Solution

The fourth proportional to 447,502,941,923.88, 617,668,961,846.52 and 291,461,973,913.68 is: 402,292,360,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,502,941,923.88 : 617,668,961,846.52 = 291,461,973,913.68 : x
  2. Step 2: Convert to fraction form
    447,502,941,923.88/617,668,961,846.52 = 291,461,973,913.68/x
  3. Step 3: Cross multiply
    447,502,941,923.88x = 617,668,961,846.52 × 291,461,973,913.68
  4. Step 4: Simplify right side
    447,502,941,923.88x = 180,027,014,845,000,205,729,792
  5. Step 5: Solve for x
    x = 180,027,014,845,000,205,729,792/447,502,941,923.88
  6. Step 6: Final answer
    x = 402,292,360,517.31

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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.