Home / 1,448,535,999.90-2,172,803,999.85-528,442,355.10

Finding the Fourth Proportional to 1,448,535,999.90, 2,172,803,999.85 and 528,442,355.10

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Solution

The fourth proportional to 1,448,535,999.90, 2,172,803,999.85 and 528,442,355.10 is: 792,663,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,535,999.90 : 2,172,803,999.85 = 528,442,355.10 : x
  2. Step 2: Convert to fraction form
    1,448,535,999.90/2,172,803,999.85 = 528,442,355.10/x
  3. Step 3: Cross multiply
    1,448,535,999.90x = 2,172,803,999.85 × 528,442,355.10
  4. Step 4: Simplify right side
    1,448,535,999.90x = 1,148,201,662,851,434,112
  5. Step 5: Solve for x
    x = 1,148,201,662,851,434,112/1,448,535,999.90
  6. Step 6: Final answer
    x = 792,663,532.65

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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.