Home / 612,117,740.70-919,968,201.45-533,287,763.10

Finding the Fourth Proportional to 612,117,740.70, 919,968,201.45 and 533,287,763.10

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Solution

The fourth proportional to 612,117,740.70, 919,968,201.45 and 533,287,763.10 is: 801,492,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117,740.70 : 919,968,201.45 = 533,287,763.10 : x
  2. Step 2: Convert to fraction form
    612,117,740.70/919,968,201.45 = 533,287,763.10/x
  3. Step 3: Cross multiply
    612,117,740.70x = 919,968,201.45 × 533,287,763.10
  4. Step 4: Simplify right side
    612,117,740.70x = 490,607,784,274,400,704
  5. Step 5: Solve for x
    x = 490,607,784,274,400,704/612,117,740.70
  6. Step 6: Final answer
    x = 801,492,509.78

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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.