Home / 898,295,329.04-1,239,578,367.72-507,193,356.56

Finding the Fourth Proportional to 898,295,329.04, 1,239,578,367.72 and 507,193,356.56

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Solution

The fourth proportional to 898,295,329.04, 1,239,578,367.72 and 507,193,356.56 is: 699,887,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,295,329.04 : 1,239,578,367.72 = 507,193,356.56 : x
  2. Step 2: Convert to fraction form
    898,295,329.04/1,239,578,367.72 = 507,193,356.56/x
  3. Step 3: Cross multiply
    898,295,329.04x = 1,239,578,367.72 × 507,193,356.56
  4. Step 4: Simplify right side
    898,295,329.04x = 628,705,913,043,072,768
  5. Step 5: Solve for x
    x = 628,705,913,043,072,768/898,295,329.04
  6. Step 6: Final answer
    x = 699,887,768.22

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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.