Home / 1,113,995,350.83-1,671,048,529.89-423,956,085.15

Finding the Fourth Proportional to 1,113,995,350.83, 1,671,048,529.89 and 423,956,085.15

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Solution

The fourth proportional to 1,113,995,350.83, 1,671,048,529.89 and 423,956,085.15 is: 635,955,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,995,350.83 : 1,671,048,529.89 = 423,956,085.15 : x
  2. Step 2: Convert to fraction form
    1,113,995,350.83/1,671,048,529.89 = 423,956,085.15/x
  3. Step 3: Cross multiply
    1,113,995,350.83x = 1,671,048,529.89 × 423,956,085.15
  4. Step 4: Simplify right side
    1,113,995,350.83x = 708,451,192,827,827,200
  5. Step 5: Solve for x
    x = 708,451,192,827,827,200/1,113,995,350.83
  6. Step 6: Final answer
    x = 635,955,250.89

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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.