Home / 1,234,690,208.64-1,851,645,101.76-405,507,237.12

Finding the Fourth Proportional to 1,234,690,208.64, 1,851,645,101.76 and 405,507,237.12

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Solution

The fourth proportional to 1,234,690,208.64, 1,851,645,101.76 and 405,507,237.12 is: 608,132,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,690,208.64 : 1,851,645,101.76 = 405,507,237.12 : x
  2. Step 2: Convert to fraction form
    1,234,690,208.64/1,851,645,101.76 = 405,507,237.12/x
  3. Step 3: Cross multiply
    1,234,690,208.64x = 1,851,645,101.76 × 405,507,237.12
  4. Step 4: Simplify right side
    1,234,690,208.64x = 750,855,489,341,478,912
  5. Step 5: Solve for x
    x = 750,855,489,341,478,912/1,234,690,208.64
  6. Step 6: Final answer
    x = 608,132,699.27

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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.