Home / 991,881,350.87-1,368,488,111.96-562,647,898.13

Finding the Fourth Proportional to 991,881,350.87, 1,368,488,111.96 and 562,647,898.13

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Solution

The fourth proportional to 991,881,350.87, 1,368,488,111.96 and 562,647,898.13 is: 776,279,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,881,350.87 : 1,368,488,111.96 = 562,647,898.13 : x
  2. Step 2: Convert to fraction form
    991,881,350.87/1,368,488,111.96 = 562,647,898.13/x
  3. Step 3: Cross multiply
    991,881,350.87x = 1,368,488,111.96 × 562,647,898.13
  4. Step 4: Simplify right side
    991,881,350.87x = 769,976,959,804,750,336
  5. Step 5: Solve for x
    x = 769,976,959,804,750,336/991,881,350.87
  6. Step 6: Final answer
    x = 776,279,299.06

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1.5x scale

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.