Home / 415,152,772,455.81-622,666,238,573.30-112,988,921,557.17

Finding the Fourth Proportional to 415,152,772,455.81, 622,666,238,573.30 and 112,988,921,557.17

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Solution

The fourth proportional to 415,152,772,455.81, 622,666,238,573.30 and 112,988,921,557.17 is: 169,466,257,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,455.81 : 622,666,238,573.30 = 112,988,921,557.17 : x
  2. Step 2: Convert to fraction form
    415,152,772,455.81/622,666,238,573.30 = 112,988,921,557.17/x
  3. Step 3: Cross multiply
    415,152,772,455.81x = 622,666,238,573.30 × 112,988,921,557.17
  4. Step 4: Simplify right side
    415,152,772,455.81x = 70,354,386,786,456,698,880,000
  5. Step 5: Solve for x
    x = 70,354,386,786,456,698,880,000/415,152,772,455.81
  6. Step 6: Final answer
    x = 169,466,257,855.58

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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.