Home / 312,074,461.80-430,952,246.10-233,621,814.60

Finding the Fourth Proportional to 312,074,461.80, 430,952,246.10 and 233,621,814.60

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Solution

The fourth proportional to 312,074,461.80, 430,952,246.10 and 233,621,814.60 is: 322,614,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,074,461.80 : 430,952,246.10 = 233,621,814.60 : x
  2. Step 2: Convert to fraction form
    312,074,461.80/430,952,246.10 = 233,621,814.60/x
  3. Step 3: Cross multiply
    312,074,461.80x = 430,952,246.10 × 233,621,814.60
  4. Step 4: Simplify right side
    312,074,461.80x = 100,679,845,739,827,776
  5. Step 5: Solve for x
    x = 100,679,845,739,827,776/312,074,461.80
  6. Step 6: Final answer
    x = 322,614,818.14

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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.