Home / 510,553,005.04-765,248,578.80-310,691,485.90

Finding the Fourth Proportional to 510,553,005.04, 765,248,578.80 and 310,691,485.90

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Solution

The fourth proportional to 510,553,005.04, 765,248,578.80 and 310,691,485.90 is: 465,683,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,553,005.04 : 765,248,578.80 = 310,691,485.90 : x
  2. Step 2: Convert to fraction form
    510,553,005.04/765,248,578.80 = 310,691,485.90/x
  3. Step 3: Cross multiply
    510,553,005.04x = 765,248,578.80 × 310,691,485.90
  4. Step 4: Simplify right side
    510,553,005.04x = 237,756,218,030,235,200
  5. Step 5: Solve for x
    x = 237,756,218,030,235,200/510,553,005.04
  6. Step 6: Final answer
    x = 465,683,710.96

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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.