Home / 448,492,705.40-672,739,058.10-440,934,433.40

Finding the Fourth Proportional to 448,492,705.40, 672,739,058.10 and 440,934,433.40

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Solution

The fourth proportional to 448,492,705.40, 672,739,058.10 and 440,934,433.40 is: 661,401,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,705.40 : 672,739,058.10 = 440,934,433.40 : x
  2. Step 2: Convert to fraction form
    448,492,705.40/672,739,058.10 = 440,934,433.40/x
  3. Step 3: Cross multiply
    448,492,705.40x = 672,739,058.10 × 440,934,433.40
  4. Step 4: Simplify right side
    448,492,705.40x = 296,633,815,409,373,184
  5. Step 5: Solve for x
    x = 296,633,815,409,373,184/448,492,705.40
  6. Step 6: Final answer
    x = 661,401,650.10

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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.