Home / 1,484,322,452.15-2,048,389,545.32-815,329,316.23

Finding the Fourth Proportional to 1,484,322,452.15, 2,048,389,545.32 and 815,329,316.23

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Solution

The fourth proportional to 1,484,322,452.15, 2,048,389,545.32 and 815,329,316.23 is: 1,125,167,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,322,452.15 : 2,048,389,545.32 = 815,329,316.23 : x
  2. Step 2: Convert to fraction form
    1,484,322,452.15/2,048,389,545.32 = 815,329,316.23/x
  3. Step 3: Cross multiply
    1,484,322,452.15x = 2,048,389,545.32 × 815,329,316.23
  4. Step 4: Simplify right side
    1,484,322,452.15x = 1,670,112,047,352,336,640
  5. Step 5: Solve for x
    x = 1,670,112,047,352,336,640/1,484,322,452.15
  6. Step 6: Final answer
    x = 1,125,167,947.80

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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.