Home / 12,371,205,132.96-17,072,825,259.84-7,290,783,482.16

Finding the Fourth Proportional to 12,371,205,132.96, 17,072,825,259.84 and 7,290,783,482.16

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Solution

The fourth proportional to 12,371,205,132.96, 17,072,825,259.84 and 7,290,783,482.16 is: 10,061,612,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,205,132.96 : 17,072,825,259.84 = 7,290,783,482.16 : x
  2. Step 2: Convert to fraction form
    12,371,205,132.96/17,072,825,259.84 = 7,290,783,482.16/x
  3. Step 3: Cross multiply
    12,371,205,132.96x = 17,072,825,259.84 × 7,290,783,482.16
  4. Step 4: Simplify right side
    12,371,205,132.96x = 124,474,272,398,245,478,400
  5. Step 5: Solve for x
    x = 124,474,272,398,245,478,400/12,371,205,132.96
  6. Step 6: Final answer
    x = 10,061,612,515.55

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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.