Home / 13,133,845,531.84-18,124,724,316.90-7,112,361,326.80

Finding the Fourth Proportional to 13,133,845,531.84, 18,124,724,316.90 and 7,112,361,326.80

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Solution

The fourth proportional to 13,133,845,531.84, 18,124,724,316.90 and 7,112,361,326.80 is: 9,815,068,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,845,531.84 : 18,124,724,316.90 = 7,112,361,326.80 : x
  2. Step 2: Convert to fraction form
    13,133,845,531.84/18,124,724,316.90 = 7,112,361,326.80/x
  3. Step 3: Cross multiply
    13,133,845,531.84x = 18,124,724,316.90 × 7,112,361,326.80
  4. Step 4: Simplify right side
    13,133,845,531.84x = 128,909,588,290,431,123,456
  5. Step 5: Solve for x
    x = 128,909,588,290,431,123,456/13,133,845,531.84
  6. Step 6: Final answer
    x = 9,815,068,098.52

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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.