Home / 1,146,612,762.68-1,582,300,803.06-663,825,069.74

Finding the Fourth Proportional to 1,146,612,762.68, 1,582,300,803.06 and 663,825,069.74

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Solution

The fourth proportional to 1,146,612,762.68, 1,582,300,803.06 and 663,825,069.74 is: 916,064,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,612,762.68 : 1,582,300,803.06 = 663,825,069.74 : x
  2. Step 2: Convert to fraction form
    1,146,612,762.68/1,582,300,803.06 = 663,825,069.74/x
  3. Step 3: Cross multiply
    1,146,612,762.68x = 1,582,300,803.06 × 663,825,069.74
  4. Step 4: Simplify right side
    1,146,612,762.68x = 1,050,370,940,933,051,008
  5. Step 5: Solve for x
    x = 1,050,370,940,933,051,008/1,146,612,762.68
  6. Step 6: Final answer
    x = 916,064,232.95

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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.