Home / 1,260,781,303.30-1,891,171,954.95-442,893,604.30

Finding the Fourth Proportional to 1,260,781,303.30, 1,891,171,954.95 and 442,893,604.30

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Solution

The fourth proportional to 1,260,781,303.30, 1,891,171,954.95 and 442,893,604.30 is: 664,340,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,781,303.30 : 1,891,171,954.95 = 442,893,604.30 : x
  2. Step 2: Convert to fraction form
    1,260,781,303.30/1,891,171,954.95 = 442,893,604.30/x
  3. Step 3: Cross multiply
    1,260,781,303.30x = 1,891,171,954.95 × 442,893,604.30
  4. Step 4: Simplify right side
    1,260,781,303.30x = 837,587,963,478,882,816
  5. Step 5: Solve for x
    x = 837,587,963,478,882,816/1,260,781,303.30
  6. Step 6: Final answer
    x = 664,340,406.45

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Double scale
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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.