Home / 563,521,603.20-845,282,404.80-388,169,692.80

Finding the Fourth Proportional to 563,521,603.20, 845,282,404.80 and 388,169,692.80

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Solution

The fourth proportional to 563,521,603.20, 845,282,404.80 and 388,169,692.80 is: 582,254,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,521,603.20 : 845,282,404.80 = 388,169,692.80 : x
  2. Step 2: Convert to fraction form
    563,521,603.20/845,282,404.80 = 388,169,692.80/x
  3. Step 3: Cross multiply
    563,521,603.20x = 845,282,404.80 × 388,169,692.80
  4. Step 4: Simplify right side
    563,521,603.20x = 328,113,011,400,461,248
  5. Step 5: Solve for x
    x = 328,113,011,400,461,248/563,521,603.20
  6. Step 6: Final answer
    x = 582,254,539.20

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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.