Home / 1,520,739,022.36-2,098,260,158.74-860,689,280.92

Finding the Fourth Proportional to 1,520,739,022.36, 2,098,260,158.74 and 860,689,280.92

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Solution

The fourth proportional to 1,520,739,022.36, 2,098,260,158.74 and 860,689,280.92 is: 1,187,547,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,739,022.36 : 2,098,260,158.74 = 860,689,280.92 : x
  2. Step 2: Convert to fraction form
    1,520,739,022.36/2,098,260,158.74 = 860,689,280.92/x
  3. Step 3: Cross multiply
    1,520,739,022.36x = 2,098,260,158.74 × 860,689,280.92
  4. Step 4: Simplify right side
    1,520,739,022.36x = 1,805,950,027,209,015,552
  5. Step 5: Solve for x
    x = 1,805,950,027,209,015,552/1,520,739,022.36
  6. Step 6: Final answer
    x = 1,187,547,633.52

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Double scale
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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.