Home / 1,485,282,972.76-2,049,745,818.66-890,664,266.68

Finding the Fourth Proportional to 1,485,282,972.76, 2,049,745,818.66 and 890,664,266.68

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Solution

The fourth proportional to 1,485,282,972.76, 2,049,745,818.66 and 890,664,266.68 is: 1,229,149,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,282,972.76 : 2,049,745,818.66 = 890,664,266.68 : x
  2. Step 2: Convert to fraction form
    1,485,282,972.76/2,049,745,818.66 = 890,664,266.68/x
  3. Step 3: Cross multiply
    1,485,282,972.76x = 2,049,745,818.66 × 890,664,266.68
  4. Step 4: Simplify right side
    1,485,282,972.76x = 1,825,635,356,457,205,248
  5. Step 5: Solve for x
    x = 1,825,635,356,457,205,248/1,485,282,972.76
  6. Step 6: Final answer
    x = 1,229,149,858.94

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Double scale
Find fourth proportional to 1,485,282,973.76, 2,049,745,820.04 and 890,664,267.68
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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.