Home / 1,022,976,006.60-1,534,464,009.90-938,323,360.20

Finding the Fourth Proportional to 1,022,976,006.60, 1,534,464,009.90 and 938,323,360.20

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Solution

The fourth proportional to 1,022,976,006.60, 1,534,464,009.90 and 938,323,360.20 is: 1,407,485,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,976,006.60 : 1,534,464,009.90 = 938,323,360.20 : x
  2. Step 2: Convert to fraction form
    1,022,976,006.60/1,534,464,009.90 = 938,323,360.20/x
  3. Step 3: Cross multiply
    1,022,976,006.60x = 1,534,464,009.90 × 938,323,360.20
  4. Step 4: Simplify right side
    1,022,976,006.60x = 1,439,823,425,875,334,144
  5. Step 5: Solve for x
    x = 1,439,823,425,875,334,144/1,022,976,006.60
  6. Step 6: Final answer
    x = 1,407,485,040.30

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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.