Home / 611,997,869.10-918,176,912.27-197,466,913.94

Finding the Fourth Proportional to 611,997,869.10, 918,176,912.27 and 197,466,913.94

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Solution

The fourth proportional to 611,997,869.10, 918,176,912.27 and 197,466,913.94 is: 296,258,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997,869.10 : 918,176,912.27 = 197,466,913.94 : x
  2. Step 2: Convert to fraction form
    611,997,869.10/918,176,912.27 = 197,466,913.94/x
  3. Step 3: Cross multiply
    611,997,869.10x = 918,176,912.27 × 197,466,913.94
  4. Step 4: Simplify right side
    611,997,869.10x = 181,309,561,316,970,176
  5. Step 5: Solve for x
    x = 181,309,561,316,970,176/611,997,869.10
  6. Step 6: Final answer
    x = 296,258,484.66

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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.