Home / 936,056,278.32-1,291,798,269.48-518,368,563.68

Finding the Fourth Proportional to 936,056,278.32, 1,291,798,269.48 and 518,368,563.68

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Solution

The fourth proportional to 936,056,278.32, 1,291,798,269.48 and 518,368,563.68 is: 715,371,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,056,278.32 : 1,291,798,269.48 = 518,368,563.68 : x
  2. Step 2: Convert to fraction form
    936,056,278.32/1,291,798,269.48 = 518,368,563.68/x
  3. Step 3: Cross multiply
    936,056,278.32x = 1,291,798,269.48 × 518,368,563.68
  4. Step 4: Simplify right side
    936,056,278.32x = 669,627,613,514,657,152
  5. Step 5: Solve for x
    x = 669,627,613,514,657,152/936,056,278.32
  6. Step 6: Final answer
    x = 715,371,104.31

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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.