Home / 9,072,578,312.40-13,608,867,468.60-7,235,918,216.40

Finding the Fourth Proportional to 9,072,578,312.40, 13,608,867,468.60 and 7,235,918,216.40

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Solution

The fourth proportional to 9,072,578,312.40, 13,608,867,468.60 and 7,235,918,216.40 is: 10,853,877,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,578,312.40 : 13,608,867,468.60 = 7,235,918,216.40 : x
  2. Step 2: Convert to fraction form
    9,072,578,312.40/13,608,867,468.60 = 7,235,918,216.40/x
  3. Step 3: Cross multiply
    9,072,578,312.40x = 13,608,867,468.60 × 7,235,918,216.40
  4. Step 4: Simplify right side
    9,072,578,312.40x = 98,472,652,020,616,085,504
  5. Step 5: Solve for x
    x = 98,472,652,020,616,085,504/9,072,578,312.40
  6. Step 6: Final answer
    x = 10,853,877,324.60

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Double scale
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Similar ratio
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1.5x scale

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.