Home / 13,133,845,531.59-18,124,724,316.56-7,112,361,326.55

Finding the Fourth Proportional to 13,133,845,531.59, 18,124,724,316.56 and 7,112,361,326.55

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Solution

The fourth proportional to 13,133,845,531.59, 18,124,724,316.56 and 7,112,361,326.55 is: 9,815,068,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,845,531.59 : 18,124,724,316.56 = 7,112,361,326.55 : x
  2. Step 2: Convert to fraction form
    13,133,845,531.59/18,124,724,316.56 = 7,112,361,326.55/x
  3. Step 3: Cross multiply
    13,133,845,531.59x = 18,124,724,316.56 × 7,112,361,326.55
  4. Step 4: Simplify right side
    13,133,845,531.59x = 128,909,588,283,446,165,504
  5. Step 5: Solve for x
    x = 128,909,588,283,446,165,504/13,133,845,531.59
  6. Step 6: Final answer
    x = 9,815,068,098.17

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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.