Home / 775,590,184.58-1,070,644,710.02-521,418,951.36

Finding the Fourth Proportional to 775,590,184.58, 1,070,644,710.02 and 521,418,951.36

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Solution

The fourth proportional to 775,590,184.58, 1,070,644,710.02 and 521,418,951.36 is: 719,780,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,590,184.58 : 1,070,644,710.02 = 521,418,951.36 : x
  2. Step 2: Convert to fraction form
    775,590,184.58/1,070,644,710.02 = 521,418,951.36/x
  3. Step 3: Cross multiply
    775,590,184.58x = 1,070,644,710.02 × 521,418,951.36
  4. Step 4: Simplify right side
    775,590,184.58x = 558,254,441,975,152,576
  5. Step 5: Solve for x
    x = 558,254,441,975,152,576/775,590,184.58
  6. Step 6: Final answer
    x = 719,780,179.12

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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.