Home / 31,866,778,304.48-43,980,010,265.62-18,136,909,779.18

Finding the Fourth Proportional to 31,866,778,304.48, 43,980,010,265.62 and 18,136,909,779.18

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Solution

The fourth proportional to 31,866,778,304.48, 43,980,010,265.62 and 18,136,909,779.18 is: 25,031,130,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866,778,304.48 : 43,980,010,265.62 = 18,136,909,779.18 : x
  2. Step 2: Convert to fraction form
    31,866,778,304.48/43,980,010,265.62 = 18,136,909,779.18/x
  3. Step 3: Cross multiply
    31,866,778,304.48x = 43,980,010,265.62 × 18,136,909,779.18
  4. Step 4: Simplify right side
    31,866,778,304.48x = 797,661,478,274,960,195,584
  5. Step 5: Solve for x
    x = 797,661,478,274,960,195,584/31,866,778,304.48
  6. Step 6: Final answer
    x = 25,031,130,246.47

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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.