Home / 415,152,772,571.12-622,666,238,746.44-112,988,921,672.70

Finding the Fourth Proportional to 415,152,772,571.12, 622,666,238,746.44 and 112,988,921,672.70

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Solution

The fourth proportional to 415,152,772,571.12, 622,666,238,746.44 and 112,988,921,672.70 is: 169,466,258,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,571.12 : 622,666,238,746.44 = 112,988,921,672.70 : x
  2. Step 2: Convert to fraction form
    415,152,772,571.12/622,666,238,746.44 = 112,988,921,672.70/x
  3. Step 3: Cross multiply
    415,152,772,571.12x = 622,666,238,746.44 × 112,988,921,672.70
  4. Step 4: Simplify right side
    415,152,772,571.12x = 70,354,386,877,956,220,780,544
  5. Step 5: Solve for x
    x = 70,354,386,877,956,220,780,544/415,152,772,571.12
  6. Step 6: Final answer
    x = 169,466,258,028.91

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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.