Home / 28,313,607,374.37-42,476,005,857.56-10,386,152,348.13

Finding the Fourth Proportional to 28,313,607,374.37, 42,476,005,857.56 and 10,386,152,348.13

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Solution

The fourth proportional to 28,313,607,374.37, 42,476,005,857.56 and 10,386,152,348.13 is: 15,581,280,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313,607,374.37 : 42,476,005,857.56 = 10,386,152,348.13 : x
  2. Step 2: Convert to fraction form
    28,313,607,374.37/42,476,005,857.56 = 10,386,152,348.13/x
  3. Step 3: Cross multiply
    28,313,607,374.37x = 42,476,005,857.56 × 10,386,152,348.13
  4. Step 4: Simplify right side
    28,313,607,374.37x = 441,162,267,976,628,436,992
  5. Step 5: Solve for x
    x = 441,162,267,976,628,436,992/28,313,607,374.37
  6. Step 6: Final answer
    x = 15,581,280,835.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.