Home / 649,545,400.80-972,404,913.60-611,706,801.60

Finding the Fourth Proportional to 649,545,400.80, 972,404,913.60 and 611,706,801.60

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Solution

The fourth proportional to 649,545,400.80, 972,404,913.60 and 611,706,801.60 is: 915,758,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,545,400.80 : 972,404,913.60 = 611,706,801.60 : x
  2. Step 2: Convert to fraction form
    649,545,400.80/972,404,913.60 = 611,706,801.60/x
  3. Step 3: Cross multiply
    649,545,400.80x = 972,404,913.60 × 611,706,801.60
  4. Step 4: Simplify right side
    649,545,400.80x = 594,826,699,558,380,416
  5. Step 5: Solve for x
    x = 594,826,699,558,380,416/649,545,400.80
  6. Step 6: Final answer
    x = 915,758,465.58

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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.