Home / 768,829,062.60-1,153,369,254.06-251,109,203.40

Finding the Fourth Proportional to 768,829,062.60, 1,153,369,254.06 and 251,109,203.40

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Solution

The fourth proportional to 768,829,062.60, 1,153,369,254.06 and 251,109,203.40 is: 376,704,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,829,062.60 : 1,153,369,254.06 = 251,109,203.40 : x
  2. Step 2: Convert to fraction form
    768,829,062.60/1,153,369,254.06 = 251,109,203.40/x
  3. Step 3: Cross multiply
    768,829,062.60x = 1,153,369,254.06 × 251,109,203.40
  4. Step 4: Simplify right side
    768,829,062.60x = 289,621,634,613,058,816
  5. Step 5: Solve for x
    x = 289,621,634,613,058,816/768,829,062.60
  6. Step 6: Final answer
    x = 376,704,847.28

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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.