Home / 880,206,869.40-1,320,310,304.10-813,694,075.80

Finding the Fourth Proportional to 880,206,869.40, 1,320,310,304.10 and 813,694,075.80

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Solution

The fourth proportional to 880,206,869.40, 1,320,310,304.10 and 813,694,075.80 is: 1,220,541,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,869.40 : 1,320,310,304.10 = 813,694,075.80 : x
  2. Step 2: Convert to fraction form
    880,206,869.40/1,320,310,304.10 = 813,694,075.80/x
  3. Step 3: Cross multiply
    880,206,869.40x = 1,320,310,304.10 × 813,694,075.80
  4. Step 4: Simplify right side
    880,206,869.40x = 1,074,328,672,663,866,368
  5. Step 5: Solve for x
    x = 1,074,328,672,663,866,368/880,206,869.40
  6. Step 6: Final answer
    x = 1,220,541,113.70

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1.5x scale

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.