Home / 9,121,062,104.49-12,587,584,374.65-5,106,697,253.29

Finding the Fourth Proportional to 9,121,062,104.49, 12,587,584,374.65 and 5,106,697,253.29

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Solution

The fourth proportional to 9,121,062,104.49, 12,587,584,374.65 and 5,106,697,253.29 is: 7,047,532,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,062,104.49 : 12,587,584,374.65 = 5,106,697,253.29 : x
  2. Step 2: Convert to fraction form
    9,121,062,104.49/12,587,584,374.65 = 5,106,697,253.29/x
  3. Step 3: Cross multiply
    9,121,062,104.49x = 12,587,584,374.65 × 5,106,697,253.29
  4. Step 4: Simplify right side
    9,121,062,104.49x = 64,280,982,551,492,804,608
  5. Step 5: Solve for x
    x = 64,280,982,551,492,804,608/9,121,062,104.49
  6. Step 6: Final answer
    x = 7,047,532,602.57

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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.