Home / 20,442,608,858.40-30,663,913,287.60-13,095,968,474.40

Finding the Fourth Proportional to 20,442,608,858.40, 30,663,913,287.60 and 13,095,968,474.40

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Solution

The fourth proportional to 20,442,608,858.40, 30,663,913,287.60 and 13,095,968,474.40 is: 19,643,952,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,608,858.40 : 30,663,913,287.60 = 13,095,968,474.40 : x
  2. Step 2: Convert to fraction form
    20,442,608,858.40/30,663,913,287.60 = 13,095,968,474.40/x
  3. Step 3: Cross multiply
    20,442,608,858.40x = 30,663,913,287.60 × 13,095,968,474.40
  4. Step 4: Simplify right side
    20,442,608,858.40x = 401,573,641,716,144,799,744
  5. Step 5: Solve for x
    x = 401,573,641,716,144,799,744/20,442,608,858.40
  6. Step 6: Final answer
    x = 19,643,952,711.60

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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.