Home / 1,406,592,024.20-2,109,888,036.30-718,621,310.60

Finding the Fourth Proportional to 1,406,592,024.20, 2,109,888,036.30 and 718,621,310.60

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Solution

The fourth proportional to 1,406,592,024.20, 2,109,888,036.30 and 718,621,310.60 is: 1,077,931,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,592,024.20 : 2,109,888,036.30 = 718,621,310.60 : x
  2. Step 2: Convert to fraction form
    1,406,592,024.20/2,109,888,036.30 = 718,621,310.60/x
  3. Step 3: Cross multiply
    1,406,592,024.20x = 2,109,888,036.30 × 718,621,310.60
  4. Step 4: Simplify right side
    1,406,592,024.20x = 1,516,210,505,865,166,336
  5. Step 5: Solve for x
    x = 1,516,210,505,865,166,336/1,406,592,024.20
  6. Step 6: Final answer
    x = 1,077,931,965.90

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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.