Home / 1,312,951,670.39-1,811,867,888.27-710,122,966.31

Finding the Fourth Proportional to 1,312,951,670.39, 1,811,867,888.27 and 710,122,966.31

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Solution

The fourth proportional to 1,312,951,670.39, 1,811,867,888.27 and 710,122,966.31 is: 979,966,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,951,670.39 : 1,811,867,888.27 = 710,122,966.31 : x
  2. Step 2: Convert to fraction form
    1,312,951,670.39/1,811,867,888.27 = 710,122,966.31/x
  3. Step 3: Cross multiply
    1,312,951,670.39x = 1,811,867,888.27 × 710,122,966.31
  4. Step 4: Simplify right side
    1,312,951,670.39x = 1,286,648,999,381,107,200
  5. Step 5: Solve for x
    x = 1,286,648,999,381,107,200/1,312,951,670.39
  6. Step 6: Final answer
    x = 979,966,763.74

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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.