Home / 415,152,772,411.60-622,666,238,507.07-112,988,921,513.10

Finding the Fourth Proportional to 415,152,772,411.60, 622,666,238,507.07 and 112,988,921,513.10

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Solution

The fourth proportional to 415,152,772,411.60, 622,666,238,507.07 and 112,988,921,513.10 is: 169,466,257,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,411.60 : 622,666,238,507.07 = 112,988,921,513.10 : x
  2. Step 2: Convert to fraction form
    415,152,772,411.60/622,666,238,507.07 = 112,988,921,513.10/x
  3. Step 3: Cross multiply
    415,152,772,411.60x = 622,666,238,507.07 × 112,988,921,513.10
  4. Step 4: Simplify right side
    415,152,772,411.60x = 70,354,386,751,532,533,022,720
  5. Step 5: Solve for x
    x = 70,354,386,751,532,533,022,720/415,152,772,411.60
  6. Step 6: Final answer
    x = 169,466,257,789.51

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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.