Home / 559,313,985.29-839,004,607.24-171,140,178.67

Finding the Fourth Proportional to 559,313,985.29, 839,004,607.24 and 171,140,178.67

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Solution

The fourth proportional to 559,313,985.29, 839,004,607.24 and 171,140,178.67 is: 256,720,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,313,985.29 : 839,004,607.24 = 171,140,178.67 : x
  2. Step 2: Convert to fraction form
    559,313,985.29/839,004,607.24 = 171,140,178.67/x
  3. Step 3: Cross multiply
    559,313,985.29x = 839,004,607.24 × 171,140,178.67
  4. Step 4: Simplify right side
    559,313,985.29x = 143,587,398,388,006,768
  5. Step 5: Solve for x
    x = 143,587,398,388,006,768/559,313,985.29
  6. Step 6: Final answer
    x = 256,720,557.98

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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.