Home / 893,617,015.80-1,340,425,523.70-618,118,001.40

Finding the Fourth Proportional to 893,617,015.80, 1,340,425,523.70 and 618,118,001.40

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Solution

The fourth proportional to 893,617,015.80, 1,340,425,523.70 and 618,118,001.40 is: 927,177,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,015.80 : 1,340,425,523.70 = 618,118,001.40 : x
  2. Step 2: Convert to fraction form
    893,617,015.80/1,340,425,523.70 = 618,118,001.40/x
  3. Step 3: Cross multiply
    893,617,015.80x = 1,340,425,523.70 × 618,118,001.40
  4. Step 4: Simplify right side
    893,617,015.80x = 828,541,145,734,992,384
  5. Step 5: Solve for x
    x = 828,541,145,734,992,384/893,617,015.80
  6. Step 6: Final answer
    x = 927,177,002.10

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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.