Home / 1,209,653,336.68-1,814,671,323.78-433,281,808.60

Finding the Fourth Proportional to 1,209,653,336.68, 1,814,671,323.78 and 433,281,808.60

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Solution

The fourth proportional to 1,209,653,336.68, 1,814,671,323.78 and 433,281,808.60 is: 649,991,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,653,336.68 : 1,814,671,323.78 = 433,281,808.60 : x
  2. Step 2: Convert to fraction form
    1,209,653,336.68/1,814,671,323.78 = 433,281,808.60/x
  3. Step 3: Cross multiply
    1,209,653,336.68x = 1,814,671,323.78 × 433,281,808.60
  4. Step 4: Simplify right side
    1,209,653,336.68x = 786,264,073,181,954,560
  5. Step 5: Solve for x
    x = 786,264,073,181,954,560/1,209,653,336.68
  6. Step 6: Final answer
    x = 649,991,240.75

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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.