Home / 415,152,772,412.10-622,666,238,507.80-112,988,921,513.60

Finding the Fourth Proportional to 415,152,772,412.10, 622,666,238,507.80 and 112,988,921,513.60

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Solution

The fourth proportional to 415,152,772,412.10, 622,666,238,507.80 and 112,988,921,513.60 is: 169,466,257,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,412.10 : 622,666,238,507.80 = 112,988,921,513.60 : x
  2. Step 2: Convert to fraction form
    415,152,772,412.10/622,666,238,507.80 = 112,988,921,513.60/x
  3. Step 3: Cross multiply
    415,152,772,412.10x = 622,666,238,507.80 × 112,988,921,513.60
  4. Step 4: Simplify right side
    415,152,772,412.10x = 70,354,386,751,926,361,391,104
  5. Step 5: Solve for x
    x = 70,354,386,751,926,361,391,104/415,152,772,412.10
  6. Step 6: Final answer
    x = 169,466,257,790.25

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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.