Home / 704,736,000.80-1,057,104,001.20-521,069,991.20

Finding the Fourth Proportional to 704,736,000.80, 1,057,104,001.20 and 521,069,991.20

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Solution

The fourth proportional to 704,736,000.80, 1,057,104,001.20 and 521,069,991.20 is: 781,604,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,736,000.80 : 1,057,104,001.20 = 521,069,991.20 : x
  2. Step 2: Convert to fraction form
    704,736,000.80/1,057,104,001.20 = 521,069,991.20/x
  3. Step 3: Cross multiply
    704,736,000.80x = 1,057,104,001.20 × 521,069,991.20
  4. Step 4: Simplify right side
    704,736,000.80x = 550,825,172,602,768,832
  5. Step 5: Solve for x
    x = 550,825,172,602,768,832/704,736,000.80
  6. Step 6: Final answer
    x = 781,604,986.80

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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.