Home / 486,942,051.65-672,042,263.96-272,372,621.01

Finding the Fourth Proportional to 486,942,051.65, 672,042,263.96 and 272,372,621.01

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Solution

The fourth proportional to 486,942,051.65, 672,042,263.96 and 272,372,621.01 is: 375,909,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,942,051.65 : 672,042,263.96 = 272,372,621.01 : x
  2. Step 2: Convert to fraction form
    486,942,051.65/672,042,263.96 = 272,372,621.01/x
  3. Step 3: Cross multiply
    486,942,051.65x = 672,042,263.96 × 272,372,621.01
  4. Step 4: Simplify right side
    486,942,051.65x = 183,045,912,866,776,672
  5. Step 5: Solve for x
    x = 183,045,912,866,776,672/486,942,051.65
  6. Step 6: Final answer
    x = 375,909,027.05

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