Home / 1,029,414,763.20-1,420,585,712.64-589,466,645.76

Finding the Fourth Proportional to 1,029,414,763.20, 1,420,585,712.64 and 589,466,645.76

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Solution

The fourth proportional to 1,029,414,763.20, 1,420,585,712.64 and 589,466,645.76 is: 813,460,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,414,763.20 : 1,420,585,712.64 = 589,466,645.76 : x
  2. Step 2: Convert to fraction form
    1,029,414,763.20/1,420,585,712.64 = 589,466,645.76/x
  3. Step 3: Cross multiply
    1,029,414,763.20x = 1,420,585,712.64 × 589,466,645.76
  4. Step 4: Simplify right side
    1,029,414,763.20x = 837,387,895,044,480,128
  5. Step 5: Solve for x
    x = 837,387,895,044,480,128/1,029,414,763.20
  6. Step 6: Final answer
    x = 813,460,157.15

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1.5x scale

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.