Home / 381,348,019.40-572,022,029.10-295,254,577.40

Finding the Fourth Proportional to 381,348,019.40, 572,022,029.10 and 295,254,577.40

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Solution

The fourth proportional to 381,348,019.40, 572,022,029.10 and 295,254,577.40 is: 442,881,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,348,019.40 : 572,022,029.10 = 295,254,577.40 : x
  2. Step 2: Convert to fraction form
    381,348,019.40/572,022,029.10 = 295,254,577.40/x
  3. Step 3: Cross multiply
    381,348,019.40x = 572,022,029.10 × 295,254,577.40
  4. Step 4: Simplify right side
    381,348,019.40x = 168,892,122,465,411,008
  5. Step 5: Solve for x
    x = 168,892,122,465,411,008/381,348,019.40
  6. Step 6: Final answer
    x = 442,881,866.10

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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.