Home / 28,313,607,369.87-42,476,005,850.81-10,386,152,343.63

Finding the Fourth Proportional to 28,313,607,369.87, 42,476,005,850.81 and 10,386,152,343.63

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Solution

The fourth proportional to 28,313,607,369.87, 42,476,005,850.81 and 10,386,152,343.63 is: 15,581,280,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313,607,369.87 : 42,476,005,850.81 = 10,386,152,343.63 : x
  2. Step 2: Convert to fraction form
    28,313,607,369.87/42,476,005,850.81 = 10,386,152,343.63/x
  3. Step 3: Cross multiply
    28,313,607,369.87x = 42,476,005,850.81 × 10,386,152,343.63
  4. Step 4: Simplify right side
    28,313,607,369.87x = 441,162,267,715,379,920,896
  5. Step 5: Solve for x
    x = 441,162,267,715,379,920,896/28,313,607,369.87
  6. Step 6: Final answer
    x = 15,581,280,829.12

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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.