Home / 579,484,908.70-869,227,363.05-349,335,526.30

Finding the Fourth Proportional to 579,484,908.70, 869,227,363.05 and 349,335,526.30

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Solution

The fourth proportional to 579,484,908.70, 869,227,363.05 and 349,335,526.30 is: 524,003,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,484,908.70 : 869,227,363.05 = 349,335,526.30 : x
  2. Step 2: Convert to fraction form
    579,484,908.70/869,227,363.05 = 349,335,526.30/x
  3. Step 3: Cross multiply
    579,484,908.70x = 869,227,363.05 × 349,335,526.30
  4. Step 4: Simplify right side
    579,484,908.70x = 303,651,998,345,432,896
  5. Step 5: Solve for x
    x = 303,651,998,345,432,896/579,484,908.70
  6. Step 6: Final answer
    x = 524,003,289.45

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Double scale
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Similar ratio
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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.