Home / 867,903,818.79-1,197,806,625.15-486,528,858.66

Finding the Fourth Proportional to 867,903,818.79, 1,197,806,625.15 and 486,528,858.66

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Solution

The fourth proportional to 867,903,818.79, 1,197,806,625.15 and 486,528,858.66 is: 671,465,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,903,818.79 : 1,197,806,625.15 = 486,528,858.66 : x
  2. Step 2: Convert to fraction form
    867,903,818.79/1,197,806,625.15 = 486,528,858.66/x
  3. Step 3: Cross multiply
    867,903,818.79x = 1,197,806,625.15 × 486,528,858.66
  4. Step 4: Simplify right side
    867,903,818.79x = 582,767,490,229,616,000
  5. Step 5: Solve for x
    x = 582,767,490,229,616,000/867,903,818.79
  6. Step 6: Final answer
    x = 671,465,521.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.