Home / 12,021,805,645.81-16,583,199,118.92-7,497,830,521.30

Finding the Fourth Proportional to 12,021,805,645.81, 16,583,199,118.92 and 7,497,830,521.30

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Solution

The fourth proportional to 12,021,805,645.81, 16,583,199,118.92 and 7,497,830,521.30 is: 10,342,707,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,805,645.81 : 16,583,199,118.92 = 7,497,830,521.30 : x
  2. Step 2: Convert to fraction form
    12,021,805,645.81/16,583,199,118.92 = 7,497,830,521.30/x
  3. Step 3: Cross multiply
    12,021,805,645.81x = 16,583,199,118.92 × 7,497,830,521.30
  4. Step 4: Simplify right side
    12,021,805,645.81x = 124,338,016,494,625,357,824
  5. Step 5: Solve for x
    x = 124,338,016,494,625,357,824/12,021,805,645.81
  6. Step 6: Final answer
    x = 10,342,707,256.96

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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.