Home / 1,071,132,564.40-1,606,972,561.80-344,128,404.40

Finding the Fourth Proportional to 1,071,132,564.40, 1,606,972,561.80 and 344,128,404.40

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Solution

The fourth proportional to 1,071,132,564.40, 1,606,972,561.80 and 344,128,404.40 is: 516,280,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,132,564.40 : 1,606,972,561.80 = 344,128,404.40 : x
  2. Step 2: Convert to fraction form
    1,071,132,564.40/1,606,972,561.80 = 344,128,404.40/x
  3. Step 3: Cross multiply
    1,071,132,564.40x = 1,606,972,561.80 × 344,128,404.40
  4. Step 4: Simplify right side
    1,071,132,564.40x = 553,004,903,606,814,336
  5. Step 5: Solve for x
    x = 553,004,903,606,814,336/1,071,132,564.40
  6. Step 6: Final answer
    x = 516,280,544.52

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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.