Home / 476,778,621.44-657,895,466.72-275,870,031.68

Finding the Fourth Proportional to 476,778,621.44, 657,895,466.72 and 275,870,031.68

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Solution

The fourth proportional to 476,778,621.44, 657,895,466.72 and 275,870,031.68 is: 380,666,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,778,621.44 : 657,895,466.72 = 275,870,031.68 : x
  2. Step 2: Convert to fraction form
    476,778,621.44/657,895,466.72 = 275,870,031.68/x
  3. Step 3: Cross multiply
    476,778,621.44x = 657,895,466.72 × 275,870,031.68
  4. Step 4: Simplify right side
    476,778,621.44x = 181,493,643,246,174,784
  5. Step 5: Solve for x
    x = 181,493,643,246,174,784/476,778,621.44
  6. Step 6: Final answer
    x = 380,666,487.73

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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.