Home / 385,431,468,830.76-578,166,406,961.31-146,684,621,570.22

Finding the Fourth Proportional to 385,431,468,830.76, 578,166,406,961.31 and 146,684,621,570.22

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Solution

The fourth proportional to 385,431,468,830.76, 578,166,406,961.31 and 146,684,621,570.22 is: 220,034,240,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,431,468,830.76 : 578,166,406,961.31 = 146,684,621,570.22 : x
  2. Step 2: Convert to fraction form
    385,431,468,830.76/578,166,406,961.31 = 146,684,621,570.22/x
  3. Step 3: Cross multiply
    385,431,468,830.76x = 578,166,406,961.31 × 146,684,621,570.22
  4. Step 4: Simplify right side
    385,431,468,830.76x = 84,808,120,609,733,569,675,264
  5. Step 5: Solve for x
    x = 84,808,120,609,733,569,675,264/385,431,468,830.76
  6. Step 6: Final answer
    x = 220,034,240,761.42

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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.