Home / 447,502,941,924.88-617,668,961,847.90-291,461,973,914.68

Finding the Fourth Proportional to 447,502,941,924.88, 617,668,961,847.90 and 291,461,973,914.68

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Solution

The fourth proportional to 447,502,941,924.88, 617,668,961,847.90 and 291,461,973,914.68 is: 402,292,360,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,502,941,924.88 : 617,668,961,847.90 = 291,461,973,914.68 : x
  2. Step 2: Convert to fraction form
    447,502,941,924.88/617,668,961,847.90 = 291,461,973,914.68/x
  3. Step 3: Cross multiply
    447,502,941,924.88x = 617,668,961,847.90 × 291,461,973,914.68
  4. Step 4: Simplify right side
    447,502,941,924.88x = 180,027,014,846,020,092,690,432
  5. Step 5: Solve for x
    x = 180,027,014,846,020,092,690,432/447,502,941,924.88
  6. Step 6: Final answer
    x = 402,292,360,518.69

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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.