Home / 547,739,431.47-755,961,542.82-346,814,981.10

Finding the Fourth Proportional to 547,739,431.47, 755,961,542.82 and 346,814,981.10

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Solution

The fourth proportional to 547,739,431.47, 755,961,542.82 and 346,814,981.10 is: 478,656,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,739,431.47 : 755,961,542.82 = 346,814,981.10 : x
  2. Step 2: Convert to fraction form
    547,739,431.47/755,961,542.82 = 346,814,981.10/x
  3. Step 3: Cross multiply
    547,739,431.47x = 755,961,542.82 × 346,814,981.10
  4. Step 4: Simplify right side
    547,739,431.47x = 262,178,788,185,445,184
  5. Step 5: Solve for x
    x = 262,178,788,185,445,184/547,739,431.47
  6. Step 6: Final answer
    x = 478,656,041.76

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Double scale
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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.