Home / 885,131,401.50-1,221,641,221.86-527,922,075.78

Finding the Fourth Proportional to 885,131,401.50, 1,221,641,221.86 and 527,922,075.78

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Solution

The fourth proportional to 885,131,401.50, 1,221,641,221.86 and 527,922,075.78 is: 728,627,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,131,401.50 : 1,221,641,221.86 = 527,922,075.78 : x
  2. Step 2: Convert to fraction form
    885,131,401.50/1,221,641,221.86 = 527,922,075.78/x
  3. Step 3: Cross multiply
    885,131,401.50x = 1,221,641,221.86 × 527,922,075.78
  4. Step 4: Simplify right side
    885,131,401.50x = 644,931,369,702,746,624
  5. Step 5: Solve for x
    x = 644,931,369,702,746,624/885,131,401.50
  6. Step 6: Final answer
    x = 728,627,827.02

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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.