Home / 406,317,156.69-560,698,909.47-230,106,413.01

Finding the Fourth Proportional to 406,317,156.69, 560,698,909.47 and 230,106,413.01

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Solution

The fourth proportional to 406,317,156.69, 560,698,909.47 and 230,106,413.01 is: 317,536,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,317,156.69 : 560,698,909.47 = 230,106,413.01 : x
  2. Step 2: Convert to fraction form
    406,317,156.69/560,698,909.47 = 230,106,413.01/x
  3. Step 3: Cross multiply
    406,317,156.69x = 560,698,909.47 × 230,106,413.01
  4. Step 4: Simplify right side
    406,317,156.69x = 129,020,414,836,760,416
  5. Step 5: Solve for x
    x = 129,020,414,836,760,416/406,317,156.69
  6. Step 6: Final answer
    x = 317,536,221.92

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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.