Home / 1,200,208,756.31-1,797,983,680.29-884,501,421.83

Finding the Fourth Proportional to 1,200,208,756.31, 1,797,983,680.29 and 884,501,421.83

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Solution

The fourth proportional to 1,200,208,756.31, 1,797,983,680.29 and 884,501,421.83 is: 1,325,035,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,208,756.31 : 1,797,983,680.29 = 884,501,421.83 : x
  2. Step 2: Convert to fraction form
    1,200,208,756.31/1,797,983,680.29 = 884,501,421.83/x
  3. Step 3: Cross multiply
    1,200,208,756.31x = 1,797,983,680.29 × 884,501,421.83
  4. Step 4: Simplify right side
    1,200,208,756.31x = 1,590,319,121,634,651,392
  5. Step 5: Solve for x
    x = 1,590,319,121,634,651,392/1,200,208,756.31
  6. Step 6: Final answer
    x = 1,325,035,426.78

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Double scale
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1.5x scale

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.