Home / 611,997,828.71-918,176,851.74-197,466,873.55

Finding the Fourth Proportional to 611,997,828.71, 918,176,851.74 and 197,466,873.55

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Solution

The fourth proportional to 611,997,828.71, 918,176,851.74 and 197,466,873.55 is: 296,258,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997,828.71 : 918,176,851.74 = 197,466,873.55 : x
  2. Step 2: Convert to fraction form
    611,997,828.71/918,176,851.74 = 197,466,873.55/x
  3. Step 3: Cross multiply
    611,997,828.71x = 918,176,851.74 × 197,466,873.55
  4. Step 4: Simplify right side
    611,997,828.71x = 181,309,512,273,501,440
  5. Step 5: Solve for x
    x = 181,309,512,273,501,440/611,997,828.71
  6. Step 6: Final answer
    x = 296,258,424.08

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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.