Home / 909,467,340.08-1,363,678,806.36-356,121,892.40

Finding the Fourth Proportional to 909,467,340.08, 1,363,678,806.36 and 356,121,892.40

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Solution

The fourth proportional to 909,467,340.08, 1,363,678,806.36 and 356,121,892.40 is: 533,978,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,467,340.08 : 1,363,678,806.36 = 356,121,892.40 : x
  2. Step 2: Convert to fraction form
    909,467,340.08/1,363,678,806.36 = 356,121,892.40/x
  3. Step 3: Cross multiply
    909,467,340.08x = 1,363,678,806.36 × 356,121,892.40
  4. Step 4: Simplify right side
    909,467,340.08x = 485,635,877,146,696,256
  5. Step 5: Solve for x
    x = 485,635,877,146,696,256/909,467,340.08
  6. Step 6: Final answer
    x = 533,978,358.26

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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.