Home / 906,222,126.86-1,250,518,929.58-509,668,502.56

Finding the Fourth Proportional to 906,222,126.86, 1,250,518,929.58 and 509,668,502.56

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Solution

The fourth proportional to 906,222,126.86, 1,250,518,929.58 and 509,668,502.56 is: 703,304,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,222,126.86 : 1,250,518,929.58 = 509,668,502.56 : x
  2. Step 2: Convert to fraction form
    906,222,126.86/1,250,518,929.58 = 509,668,502.56/x
  3. Step 3: Cross multiply
    906,222,126.86x = 1,250,518,929.58 × 509,668,502.56
  4. Step 4: Simplify right side
    906,222,126.86x = 637,350,110,261,972,608
  5. Step 5: Solve for x
    x = 637,350,110,261,972,608/906,222,126.86
  6. Step 6: Final answer
    x = 703,304,511.52

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1.5x scale

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.