Home / 415,152,772,408.33-622,666,238,502.20-112,988,921,509.81

Finding the Fourth Proportional to 415,152,772,408.33, 622,666,238,502.20 and 112,988,921,509.81

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Solution

The fourth proportional to 415,152,772,408.33, 622,666,238,502.20 and 112,988,921,509.81 is: 169,466,257,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,408.33 : 622,666,238,502.20 = 112,988,921,509.81 : x
  2. Step 2: Convert to fraction form
    415,152,772,408.33/622,666,238,502.20 = 112,988,921,509.81/x
  3. Step 3: Cross multiply
    415,152,772,408.33x = 622,666,238,502.20 × 112,988,921,509.81
  4. Step 4: Simplify right side
    415,152,772,408.33x = 70,354,386,748,933,700,321,280
  5. Step 5: Solve for x
    x = 70,354,386,748,933,700,321,280/415,152,772,408.33
  6. Step 6: Final answer
    x = 169,466,257,784.58

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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.