Home / 1,066,664,403.79-1,596,808,817.72-645,210,324.48

Finding the Fourth Proportional to 1,066,664,403.79, 1,596,808,817.72 and 645,210,324.48

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Solution

The fourth proportional to 1,066,664,403.79, 1,596,808,817.72 and 645,210,324.48 is: 965,887,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,664,403.79 : 1,596,808,817.72 = 645,210,324.48 : x
  2. Step 2: Convert to fraction form
    1,066,664,403.79/1,596,808,817.72 = 645,210,324.48/x
  3. Step 3: Cross multiply
    1,066,664,403.79x = 1,596,808,817.72 × 645,210,324.48
  4. Step 4: Simplify right side
    1,066,664,403.79x = 1,030,277,535,413,646,464
  5. Step 5: Solve for x
    x = 1,030,277,535,413,646,464/1,066,664,403.79
  6. Step 6: Final answer
    x = 965,887,238.53

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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.