Home / 1,385,544,930.30-1,912,036,784.81-750,449,632.77

Finding the Fourth Proportional to 1,385,544,930.30, 1,912,036,784.81 and 750,449,632.77

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Solution

The fourth proportional to 1,385,544,930.30, 1,912,036,784.81 and 750,449,632.77 is: 1,035,612,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,544,930.30 : 1,912,036,784.81 = 750,449,632.77 : x
  2. Step 2: Convert to fraction form
    1,385,544,930.30/1,912,036,784.81 = 750,449,632.77/x
  3. Step 3: Cross multiply
    1,385,544,930.30x = 1,912,036,784.81 × 750,449,632.77
  4. Step 4: Simplify right side
    1,385,544,930.30x = 1,434,887,302,999,643,904
  5. Step 5: Solve for x
    x = 1,434,887,302,999,643,904/1,385,544,930.30
  6. Step 6: Final answer
    x = 1,035,612,250.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.