Home / 820,896,137.64-1,132,837,280.70-444,555,646.74

Finding the Fourth Proportional to 820,896,137.64, 1,132,837,280.70 and 444,555,646.74

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Solution

The fourth proportional to 820,896,137.64, 1,132,837,280.70 and 444,555,646.74 is: 613,487,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,896,137.64 : 1,132,837,280.70 = 444,555,646.74 : x
  2. Step 2: Convert to fraction form
    820,896,137.64/1,132,837,280.70 = 444,555,646.74/x
  3. Step 3: Cross multiply
    820,896,137.64x = 1,132,837,280.70 × 444,555,646.74
  4. Step 4: Simplify right side
    820,896,137.64x = 503,609,209,972,771,456
  5. Step 5: Solve for x
    x = 503,609,209,972,771,456/820,896,137.64
  6. Step 6: Final answer
    x = 613,487,123.26

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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.