Home / 318,870,511.34-440,050,632.03-186,699,141.74

Finding the Fourth Proportional to 318,870,511.34, 440,050,632.03 and 186,699,141.74

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Solution

The fourth proportional to 318,870,511.34, 440,050,632.03 and 186,699,141.74 is: 257,650,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,870,511.34 : 440,050,632.03 = 186,699,141.74 : x
  2. Step 2: Convert to fraction form
    318,870,511.34/440,050,632.03 = 186,699,141.74/x
  3. Step 3: Cross multiply
    318,870,511.34x = 440,050,632.03 × 186,699,141.74
  4. Step 4: Simplify right side
    318,870,511.34x = 82,157,075,322,145,552
  5. Step 5: Solve for x
    x = 82,157,075,322,145,552/318,870,511.34
  6. Step 6: Final answer
    x = 257,650,276.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.