Home / 346,616,363.64-478,381,920.24-219,468,859.89

Finding the Fourth Proportional to 346,616,363.64, 478,381,920.24 and 219,468,859.89

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Solution

The fourth proportional to 346,616,363.64, 478,381,920.24 and 219,468,859.89 is: 302,899,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,616,363.64 : 478,381,920.24 = 219,468,859.89 : x
  2. Step 2: Convert to fraction form
    346,616,363.64/478,381,920.24 = 219,468,859.89/x
  3. Step 3: Cross multiply
    346,616,363.64x = 478,381,920.24 × 219,468,859.89
  4. Step 4: Simplify right side
    346,616,363.64x = 104,989,934,627,061,712
  5. Step 5: Solve for x
    x = 104,989,934,627,061,712/346,616,363.64
  6. Step 6: Final answer
    x = 302,899,532.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.