Home / 1,136,664,125.30-1,568,596,479.20-615,143,357.30

Finding the Fourth Proportional to 1,136,664,125.30, 1,568,596,479.20 and 615,143,357.30

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Solution

The fourth proportional to 1,136,664,125.30, 1,568,596,479.20 and 615,143,357.30 is: 848,897,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,664,125.30 : 1,568,596,479.20 = 615,143,357.30 : x
  2. Step 2: Convert to fraction form
    1,136,664,125.30/1,568,596,479.20 = 615,143,357.30/x
  3. Step 3: Cross multiply
    1,136,664,125.30x = 1,568,596,479.20 × 615,143,357.30
  4. Step 4: Simplify right side
    1,136,664,125.30x = 964,911,704,464,047,616
  5. Step 5: Solve for x
    x = 964,911,704,464,047,616/1,136,664,125.30
  6. Step 6: Final answer
    x = 848,897,825.65

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Double scale
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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.