Home / 385,406,723-578,223,648.66-155,257,375.16

Finding the Fourth Proportional to 385,406,723, 578,223,648.66 and 155,257,375.16

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Solution

The fourth proportional to 385,406,723, 578,223,648.66 and 155,257,375.16 is: 232,931,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,406,723 : 578,223,648.66 = 155,257,375.16 : x
  2. Step 2: Convert to fraction form
    385,406,723/578,223,648.66 = 155,257,375.16/x
  3. Step 3: Cross multiply
    385,406,723x = 578,223,648.66 × 155,257,375.16
  4. Step 4: Simplify right side
    385,406,723x = 89,773,485,946,389,648
  5. Step 5: Solve for x
    x = 89,773,485,946,389,648/385,406,723
  6. Step 6: Final answer
    x = 232,931,810.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.