Home / 400,947,182.52-553,308,341.48-222,343,646.66

Finding the Fourth Proportional to 400,947,182.52, 553,308,341.48 and 222,343,646.66

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Solution

The fourth proportional to 400,947,182.52, 553,308,341.48 and 222,343,646.66 is: 306,834,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,947,182.52 : 553,308,341.48 = 222,343,646.66 : x
  2. Step 2: Convert to fraction form
    400,947,182.52/553,308,341.48 = 222,343,646.66/x
  3. Step 3: Cross multiply
    400,947,182.52x = 553,308,341.48 × 222,343,646.66
  4. Step 4: Simplify right side
    400,947,182.52x = 123,024,594,371,090,176
  5. Step 5: Solve for x
    x = 123,024,594,371,090,176/400,947,182.52
  6. Step 6: Final answer
    x = 306,834,914.26

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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.