Home / 1,203,434,809.59-1,803,311,236.08-643,276,320.33

Finding the Fourth Proportional to 1,203,434,809.59, 1,803,311,236.08 and 643,276,320.33

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Solution

The fourth proportional to 1,203,434,809.59, 1,803,311,236.08 and 643,276,320.33 is: 963,930,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,434,809.59 : 1,803,311,236.08 = 643,276,320.33 : x
  2. Step 2: Convert to fraction form
    1,203,434,809.59/1,803,311,236.08 = 643,276,320.33/x
  3. Step 3: Cross multiply
    1,203,434,809.59x = 1,803,311,236.08 × 643,276,320.33
  4. Step 4: Simplify right side
    1,203,434,809.59x = 1,160,027,416,355,286,272
  5. Step 5: Solve for x
    x = 1,160,027,416,355,286,272/1,203,434,809.59
  6. Step 6: Final answer
    x = 963,930,415.77

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Double scale
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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.