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Finding the Fourth Proportional to 540,572,889.89, 745,996,467.57 and 317,563,970.91

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Solution

The fourth proportional to 540,572,889.89, 745,996,467.57 and 317,563,970.91 is: 438,241,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,572,889.89 : 745,996,467.57 = 317,563,970.91 : x
  2. Step 2: Convert to fraction form
    540,572,889.89/745,996,467.57 = 317,563,970.91/x
  3. Step 3: Cross multiply
    540,572,889.89x = 745,996,467.57 × 317,563,970.91
  4. Step 4: Simplify right side
    540,572,889.89x = 236,901,600,526,362,272
  5. Step 5: Solve for x
    x = 236,901,600,526,362,272/540,572,889.89
  6. Step 6: Final answer
    x = 438,241,733.83

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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.