Home / 768,555,972.77-1,060,607,743.02-416,132,202.42

Finding the Fourth Proportional to 768,555,972.77, 1,060,607,743.02 and 416,132,202.42

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Solution

The fourth proportional to 768,555,972.77, 1,060,607,743.02 and 416,132,202.42 is: 574,262,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,555,972.77 : 1,060,607,743.02 = 416,132,202.42 : x
  2. Step 2: Convert to fraction form
    768,555,972.77/1,060,607,743.02 = 416,132,202.42/x
  3. Step 3: Cross multiply
    768,555,972.77x = 1,060,607,743.02 × 416,132,202.42
  4. Step 4: Simplify right side
    768,555,972.77x = 441,353,036,006,617,984
  5. Step 5: Solve for x
    x = 441,353,036,006,617,984/768,555,972.77
  6. Step 6: Final answer
    x = 574,262,710.39

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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.