Home / 618,590,507.52-927,272,860.20-290,478,668.04

Finding the Fourth Proportional to 618,590,507.52, 927,272,860.20 and 290,478,668.04

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Solution

The fourth proportional to 618,590,507.52, 927,272,860.20 and 290,478,668.04 is: 435,430,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,590,507.52 : 927,272,860.20 = 290,478,668.04 : x
  2. Step 2: Convert to fraction form
    618,590,507.52/927,272,860.20 = 290,478,668.04/x
  3. Step 3: Cross multiply
    618,590,507.52x = 927,272,860.20 × 290,478,668.04
  4. Step 4: Simplify right side
    618,590,507.52x = 269,352,985,340,537,152
  5. Step 5: Solve for x
    x = 269,352,985,340,537,152/618,590,507.52
  6. Step 6: Final answer
    x = 435,430,195.04

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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.