Home / 1,312,951,673.55-1,811,867,892.62-710,122,969.47

Finding the Fourth Proportional to 1,312,951,673.55, 1,811,867,892.62 and 710,122,969.47

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Solution

The fourth proportional to 1,312,951,673.55, 1,811,867,892.62 and 710,122,969.47 is: 979,966,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,951,673.55 : 1,811,867,892.62 = 710,122,969.47 : x
  2. Step 2: Convert to fraction form
    1,312,951,673.55/1,811,867,892.62 = 710,122,969.47/x
  3. Step 3: Cross multiply
    1,312,951,673.55x = 1,811,867,892.62 × 710,122,969.47
  4. Step 4: Simplify right side
    1,312,951,673.55x = 1,286,649,008,194,665,472
  5. Step 5: Solve for x
    x = 1,286,649,008,194,665,472/1,312,951,673.55
  6. Step 6: Final answer
    x = 979,966,768.10

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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.