Home / 1,572,048,219.40-2,358,072,329.10-1,209,251,163.40

Finding the Fourth Proportional to 1,572,048,219.40, 2,358,072,329.10 and 1,209,251,163.40

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Solution

The fourth proportional to 1,572,048,219.40, 2,358,072,329.10 and 1,209,251,163.40 is: 1,813,876,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,048,219.40 : 2,358,072,329.10 = 1,209,251,163.40 : x
  2. Step 2: Convert to fraction form
    1,572,048,219.40/2,358,072,329.10 = 1,209,251,163.40/x
  3. Step 3: Cross multiply
    1,572,048,219.40x = 2,358,072,329.10 × 1,209,251,163.40
  4. Step 4: Simplify right side
    1,572,048,219.40x = 2,851,501,707,345,522,688
  5. Step 5: Solve for x
    x = 2,851,501,707,345,522,688/1,572,048,219.40
  6. Step 6: Final answer
    x = 1,813,876,745.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.