Home / 472,393,713.80-708,590,570.70-165,716,827.40

Finding the Fourth Proportional to 472,393,713.80, 708,590,570.70 and 165,716,827.40

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Solution

The fourth proportional to 472,393,713.80, 708,590,570.70 and 165,716,827.40 is: 248,575,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,713.80 : 708,590,570.70 = 165,716,827.40 : x
  2. Step 2: Convert to fraction form
    472,393,713.80/708,590,570.70 = 165,716,827.40/x
  3. Step 3: Cross multiply
    472,393,713.80x = 708,590,570.70 × 165,716,827.40
  4. Step 4: Simplify right side
    472,393,713.80x = 117,425,381,301,959,408
  5. Step 5: Solve for x
    x = 117,425,381,301,959,408/472,393,713.80
  6. Step 6: Final answer
    x = 248,575,241.10

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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.