Home / 897,823,655.36-1,239,020,930.40-545,318,809.28

Finding the Fourth Proportional to 897,823,655.36, 1,239,020,930.40 and 545,318,809.28

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Solution

The fourth proportional to 897,823,655.36, 1,239,020,930.40 and 545,318,809.28 is: 752,554,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,823,655.36 : 1,239,020,930.40 = 545,318,809.28 : x
  2. Step 2: Convert to fraction form
    897,823,655.36/1,239,020,930.40 = 545,318,809.28/x
  3. Step 3: Cross multiply
    897,823,655.36x = 1,239,020,930.40 × 545,318,809.28
  4. Step 4: Simplify right side
    897,823,655.36x = 675,661,418,438,725,760
  5. Step 5: Solve for x
    x = 675,661,418,438,725,760/897,823,655.36
  6. Step 6: Final answer
    x = 752,554,707.60

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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.