Home / 672,392,412.42-1,008,895,073.24-345,097,765.77

Finding the Fourth Proportional to 672,392,412.42, 1,008,895,073.24 and 345,097,765.77

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Solution

The fourth proportional to 672,392,412.42, 1,008,895,073.24 and 345,097,765.77 is: 517,803,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,392,412.42 : 1,008,895,073.24 = 345,097,765.77 : x
  2. Step 2: Convert to fraction form
    672,392,412.42/1,008,895,073.24 = 345,097,765.77/x
  3. Step 3: Cross multiply
    672,392,412.42x = 1,008,895,073.24 × 345,097,765.77
  4. Step 4: Simplify right side
    672,392,412.42x = 348,167,435,671,484,480
  5. Step 5: Solve for x
    x = 348,167,435,671,484,480/672,392,412.42
  6. Step 6: Final answer
    x = 517,803,933.00

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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.