Home / 1,413,504,017.20-2,120,256,025.80-801,283,985.20

Finding the Fourth Proportional to 1,413,504,017.20, 2,120,256,025.80 and 801,283,985.20

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Solution

The fourth proportional to 1,413,504,017.20, 2,120,256,025.80 and 801,283,985.20 is: 1,201,925,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,504,017.20 : 2,120,256,025.80 = 801,283,985.20 : x
  2. Step 2: Convert to fraction form
    1,413,504,017.20/2,120,256,025.80 = 801,283,985.20/x
  3. Step 3: Cross multiply
    1,413,504,017.20x = 2,120,256,025.80 × 801,283,985.20
  4. Step 4: Simplify right side
    1,413,504,017.20x = 1,698,927,197,997,338,112
  5. Step 5: Solve for x
    x = 1,698,927,197,997,338,112/1,413,504,017.20
  6. Step 6: Final answer
    x = 1,201,925,977.80

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1.5x scale

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.