Home / 427,452,166.92-589,885,126.02-231,881,878.92

Finding the Fourth Proportional to 427,452,166.92, 589,885,126.02 and 231,881,878.92

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Solution

The fourth proportional to 427,452,166.92, 589,885,126.02 and 231,881,878.92 is: 319,997,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,452,166.92 : 589,885,126.02 = 231,881,878.92 : x
  2. Step 2: Convert to fraction form
    427,452,166.92/589,885,126.02 = 231,881,878.92/x
  3. Step 3: Cross multiply
    427,452,166.92x = 589,885,126.02 × 231,881,878.92
  4. Step 4: Simplify right side
    427,452,166.92x = 136,783,671,368,478,576
  5. Step 5: Solve for x
    x = 136,783,671,368,478,576/427,452,166.92
  6. Step 6: Final answer
    x = 319,997,608.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.