Home / 9,210,292,911.09-12,710,204,118.93-4,981,204,799.73

Finding the Fourth Proportional to 9,210,292,911.09, 12,710,204,118.93 and 4,981,204,799.73

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Solution

The fourth proportional to 9,210,292,911.09, 12,710,204,118.93 and 4,981,204,799.73 is: 6,874,062,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210,292,911.09 : 12,710,204,118.93 = 4,981,204,799.73 : x
  2. Step 2: Convert to fraction form
    9,210,292,911.09/12,710,204,118.93 = 4,981,204,799.73/x
  3. Step 3: Cross multiply
    9,210,292,911.09x = 12,710,204,118.93 × 4,981,204,799.73
  4. Step 4: Simplify right side
    9,210,292,911.09x = 63,312,129,762,762,129,408
  5. Step 5: Solve for x
    x = 63,312,129,762,762,129,408/9,210,292,911.09
  6. Step 6: Final answer
    x = 6,874,062,570.42

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Double scale
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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.