Home / 922,309,116.68-1,382,352,156.11-423,631,490.63

Finding the Fourth Proportional to 922,309,116.68, 1,382,352,156.11 and 423,631,490.63

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Solution

The fourth proportional to 922,309,116.68, 1,382,352,156.11 and 423,631,490.63 is: 634,936,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,309,116.68 : 1,382,352,156.11 = 423,631,490.63 : x
  2. Step 2: Convert to fraction form
    922,309,116.68/1,382,352,156.11 = 423,631,490.63/x
  3. Step 3: Cross multiply
    922,309,116.68x = 1,382,352,156.11 × 423,631,490.63
  4. Step 4: Simplify right side
    922,309,116.68x = 585,607,904,468,473,728
  5. Step 5: Solve for x
    x = 585,607,904,468,473,728/922,309,116.68
  6. Step 6: Final answer
    x = 634,936,697.34

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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.