Home / 1,019,263,581.22-1,528,897,145.32-319,809,395.11

Finding the Fourth Proportional to 1,019,263,581.22, 1,528,897,145.32 and 319,809,395.11

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Solution

The fourth proportional to 1,019,263,581.22, 1,528,897,145.32 and 319,809,395.11 is: 479,714,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,263,581.22 : 1,528,897,145.32 = 319,809,395.11 : x
  2. Step 2: Convert to fraction form
    1,019,263,581.22/1,528,897,145.32 = 319,809,395.11/x
  3. Step 3: Cross multiply
    1,019,263,581.22x = 1,528,897,145.32 × 319,809,395.11
  4. Step 4: Simplify right side
    1,019,263,581.22x = 488,955,671,225,191,872
  5. Step 5: Solve for x
    x = 488,955,671,225,191,872/1,019,263,581.22
  6. Step 6: Final answer
    x = 479,714,649.12

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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.