Home / 28,730,278,959.51-39,648,989,472.03-16,522,993,608.23

Finding the Fourth Proportional to 28,730,278,959.51, 39,648,989,472.03 and 16,522,993,608.23

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Solution

The fourth proportional to 28,730,278,959.51, 39,648,989,472.03 and 16,522,993,608.23 is: 22,802,423,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,278,959.51 : 39,648,989,472.03 = 16,522,993,608.23 : x
  2. Step 2: Convert to fraction form
    28,730,278,959.51/39,648,989,472.03 = 16,522,993,608.23/x
  3. Step 3: Cross multiply
    28,730,278,959.51x = 39,648,989,472.03 × 16,522,993,608.23
  4. Step 4: Simplify right side
    28,730,278,959.51x = 655,119,999,618,932,015,104
  5. Step 5: Solve for x
    x = 655,119,999,618,932,015,104/28,730,278,959.51
  6. Step 6: Final answer
    x = 22,802,423,900.66

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1.5x scale

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.