Home / 1,312,951,670.64-1,811,867,888.61-710,122,966.56

Finding the Fourth Proportional to 1,312,951,670.64, 1,811,867,888.61 and 710,122,966.56

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Solution

The fourth proportional to 1,312,951,670.64, 1,811,867,888.61 and 710,122,966.56 is: 979,966,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,951,670.64 : 1,811,867,888.61 = 710,122,966.56 : x
  2. Step 2: Convert to fraction form
    1,312,951,670.64/1,811,867,888.61 = 710,122,966.56/x
  3. Step 3: Cross multiply
    1,312,951,670.64x = 1,811,867,888.61 × 710,122,966.56
  4. Step 4: Simplify right side
    1,312,951,670.64x = 1,286,649,000,074,536,704
  5. Step 5: Solve for x
    x = 1,286,649,000,074,536,704/1,312,951,670.64
  6. Step 6: Final answer
    x = 979,966,764.08

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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.