Home / 1,264,326,770,535.40-1,896,862,703,023.40-509,321,834,946.25

Finding the Fourth Proportional to 1,264,326,770,535.40, 1,896,862,703,023.40 and 509,321,834,946.25

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Solution

The fourth proportional to 1,264,326,770,535.40, 1,896,862,703,023.40 and 509,321,834,946.25 is: 764,132,829,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,326,770,535.40 : 1,896,862,703,023.40 = 509,321,834,946.25 : x
  2. Step 2: Convert to fraction form
    1,264,326,770,535.40/1,896,862,703,023.40 = 509,321,834,946.25/x
  3. Step 3: Cross multiply
    1,264,326,770,535.40x = 1,896,862,703,023.40 × 509,321,834,946.25
  4. Step 4: Simplify right side
    1,264,326,770,535.40x = 966,113,592,544,981,724,168,192
  5. Step 5: Solve for x
    x = 966,113,592,544,981,724,168,192/1,264,326,770,535.40
  6. Step 6: Final answer
    x = 764,132,829,470.87

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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.