Home / 9,289,031,443.59-12,818,449,878.67-5,426,925,021.19

Finding the Fourth Proportional to 9,289,031,443.59, 12,818,449,878.67 and 5,426,925,021.19

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Solution

The fourth proportional to 9,289,031,443.59, 12,818,449,878.67 and 5,426,925,021.19 is: 7,488,914,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,031,443.59 : 12,818,449,878.67 = 5,426,925,021.19 : x
  2. Step 2: Convert to fraction form
    9,289,031,443.59/12,818,449,878.67 = 5,426,925,021.19/x
  3. Step 3: Cross multiply
    9,289,031,443.59x = 12,818,449,878.67 × 5,426,925,021.19
  4. Step 4: Simplify right side
    9,289,031,443.59x = 69,564,766,379,424,137,216
  5. Step 5: Solve for x
    x = 69,564,766,379,424,137,216/9,289,031,443.59
  6. Step 6: Final answer
    x = 7,488,914,942.52

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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.