Home / 54,213,868,817.22-74,816,955,805.14-30,128,905,567.38

Finding the Fourth Proportional to 54,213,868,817.22, 74,816,955,805.14 and 30,128,905,567.38

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Solution

The fourth proportional to 54,213,868,817.22, 74,816,955,805.14 and 30,128,905,567.38 is: 41,578,899,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213,868,817.22 : 74,816,955,805.14 = 30,128,905,567.38 : x
  2. Step 2: Convert to fraction form
    54,213,868,817.22/74,816,955,805.14 = 30,128,905,567.38/x
  3. Step 3: Cross multiply
    54,213,868,817.22x = 74,816,955,805.14 × 30,128,905,567.38
  4. Step 4: Simplify right side
    54,213,868,817.22x = 2,254,152,996,291,906,109,440
  5. Step 5: Solve for x
    x = 2,254,152,996,291,906,109,440/54,213,868,817.22
  6. Step 6: Final answer
    x = 41,578,899,375.21

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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.