Home / 450,482,528.27-621,881,457.87-300,025,568.07

Finding the Fourth Proportional to 450,482,528.27, 621,881,457.87 and 300,025,568.07

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Solution

The fourth proportional to 450,482,528.27, 621,881,457.87 and 300,025,568.07 is: 414,178,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,528.27 : 621,881,457.87 = 300,025,568.07 : x
  2. Step 2: Convert to fraction form
    450,482,528.27/621,881,457.87 = 300,025,568.07/x
  3. Step 3: Cross multiply
    450,482,528.27x = 621,881,457.87 × 300,025,568.07
  4. Step 4: Simplify right side
    450,482,528.27x = 186,580,337,669,646,528
  5. Step 5: Solve for x
    x = 186,580,337,669,646,528/450,482,528.27
  6. Step 6: Final answer
    x = 414,178,854.81

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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.