Home / 673,985,663.60-1,011,090,469.80-265,055,154.80

Finding the Fourth Proportional to 673,985,663.60, 1,011,090,469.80 and 265,055,154.80

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Solution

The fourth proportional to 673,985,663.60, 1,011,090,469.80 and 265,055,154.80 is: 397,626,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,985,663.60 : 1,011,090,469.80 = 265,055,154.80 : x
  2. Step 2: Convert to fraction form
    673,985,663.60/1,011,090,469.80 = 265,055,154.80/x
  3. Step 3: Cross multiply
    673,985,663.60x = 1,011,090,469.80 × 265,055,154.80
  4. Step 4: Simplify right side
    673,985,663.60x = 267,994,740,989,643,712
  5. Step 5: Solve for x
    x = 267,994,740,989,643,712/673,985,663.60
  6. Step 6: Final answer
    x = 397,626,767.84

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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.