Home / 737,168,550.95-1,017,285,903.03-402,641,003.79

Finding the Fourth Proportional to 737,168,550.95, 1,017,285,903.03 and 402,641,003.79

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Solution

The fourth proportional to 737,168,550.95, 1,017,285,903.03 and 402,641,003.79 is: 555,640,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,168,550.95 : 1,017,285,903.03 = 402,641,003.79 : x
  2. Step 2: Convert to fraction form
    737,168,550.95/1,017,285,903.03 = 402,641,003.79/x
  3. Step 3: Cross multiply
    737,168,550.95x = 1,017,285,903.03 × 402,641,003.79
  4. Step 4: Simplify right side
    737,168,550.95x = 409,601,017,137,415,808
  5. Step 5: Solve for x
    x = 409,601,017,137,415,808/737,168,550.95
  6. Step 6: Final answer
    x = 555,640,927.18

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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.