Home / 472,392,368.80-708,588,553.20-165,715,482.40

Finding the Fourth Proportional to 472,392,368.80, 708,588,553.20 and 165,715,482.40

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Solution

The fourth proportional to 472,392,368.80, 708,588,553.20 and 165,715,482.40 is: 248,573,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,368.80 : 708,588,553.20 = 165,715,482.40 : x
  2. Step 2: Convert to fraction form
    472,392,368.80/708,588,553.20 = 165,715,482.40/x
  3. Step 3: Cross multiply
    472,392,368.80x = 708,588,553.20 × 165,715,482.40
  4. Step 4: Simplify right side
    472,392,368.80x = 117,424,093,916,656,080
  5. Step 5: Solve for x
    x = 117,424,093,916,656,080/472,392,368.80
  6. Step 6: Final answer
    x = 248,573,223.60

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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.