Home / 20,980,443,881.16-31,486,985,430.12-14,643,707,005.31

Finding the Fourth Proportional to 20,980,443,881.16, 31,486,985,430.12 and 14,643,707,005.31

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Solution

The fourth proportional to 20,980,443,881.16, 31,486,985,430.12 and 14,643,707,005.31 is: 21,976,951,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,443,881.16 : 31,486,985,430.12 = 14,643,707,005.31 : x
  2. Step 2: Convert to fraction form
    20,980,443,881.16/31,486,985,430.12 = 14,643,707,005.31/x
  3. Step 3: Cross multiply
    20,980,443,881.16x = 31,486,985,430.12 × 14,643,707,005.31
  4. Step 4: Simplify right side
    20,980,443,881.16x = 461,086,189,118,984,683,520
  5. Step 5: Solve for x
    x = 461,086,189,118,984,683,520/20,980,443,881.16
  6. Step 6: Final answer
    x = 21,976,951,094.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.