Home / 480,816,943.83-721,041,567.27-262,350,516.81

Finding the Fourth Proportional to 480,816,943.83, 721,041,567.27 and 262,350,516.81

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Solution

The fourth proportional to 480,816,943.83, 721,041,567.27 and 262,350,516.81 is: 393,425,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,816,943.83 : 721,041,567.27 = 262,350,516.81 : x
  2. Step 2: Convert to fraction form
    480,816,943.83/721,041,567.27 = 262,350,516.81/x
  3. Step 3: Cross multiply
    480,816,943.83x = 721,041,567.27 × 262,350,516.81
  4. Step 4: Simplify right side
    480,816,943.83x = 189,165,627,814,776,864
  5. Step 5: Solve for x
    x = 189,165,627,814,776,864/480,816,943.83
  6. Step 6: Final answer
    x = 393,425,461.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.