Home / 30,945,944,985.88-42,705,147,366.17-17,397,642,536.19

Finding the Fourth Proportional to 30,945,944,985.88, 42,705,147,366.17 and 17,397,642,536.19

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Solution

The fourth proportional to 30,945,944,985.88, 42,705,147,366.17 and 17,397,642,536.19 is: 24,008,602,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,944,985.88 : 42,705,147,366.17 = 17,397,642,536.19 : x
  2. Step 2: Convert to fraction form
    30,945,944,985.88/42,705,147,366.17 = 17,397,642,536.19/x
  3. Step 3: Cross multiply
    30,945,944,985.88x = 42,705,147,366.17 × 17,397,642,536.19
  4. Step 4: Simplify right side
    30,945,944,985.88x = 742,968,888,331,941,445,632
  5. Step 5: Solve for x
    x = 742,968,888,331,941,445,632/30,945,944,985.88
  6. Step 6: Final answer
    x = 24,008,602,376.53

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Double scale
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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.