Home / 774,169,603.20-1,161,254,404.80-344,187,907.20

Finding the Fourth Proportional to 774,169,603.20, 1,161,254,404.80 and 344,187,907.20

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Solution

The fourth proportional to 774,169,603.20, 1,161,254,404.80 and 344,187,907.20 is: 516,281,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,169,603.20 : 1,161,254,404.80 = 344,187,907.20 : x
  2. Step 2: Convert to fraction form
    774,169,603.20/1,161,254,404.80 = 344,187,907.20/x
  3. Step 3: Cross multiply
    774,169,603.20x = 1,161,254,404.80 × 344,187,907.20
  4. Step 4: Simplify right side
    774,169,603.20x = 399,689,723,314,893,632
  5. Step 5: Solve for x
    x = 399,689,723,314,893,632/774,169,603.20
  6. Step 6: Final answer
    x = 516,281,860.80

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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.