Home / 1,406,592,023.20-2,109,888,034.80-718,621,309.60

Finding the Fourth Proportional to 1,406,592,023.20, 2,109,888,034.80 and 718,621,309.60

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Solution

The fourth proportional to 1,406,592,023.20, 2,109,888,034.80 and 718,621,309.60 is: 1,077,931,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,592,023.20 : 2,109,888,034.80 = 718,621,309.60 : x
  2. Step 2: Convert to fraction form
    1,406,592,023.20/2,109,888,034.80 = 718,621,309.60/x
  3. Step 3: Cross multiply
    1,406,592,023.20x = 2,109,888,034.80 × 718,621,309.60
  4. Step 4: Simplify right side
    1,406,592,023.20x = 1,516,210,502,677,346,304
  5. Step 5: Solve for x
    x = 1,516,210,502,677,346,304/1,406,592,023.20
  6. Step 6: Final answer
    x = 1,077,931,964.40

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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.