Home / 893,616,630.30-1,340,424,945.45-618,117,615.90

Finding the Fourth Proportional to 893,616,630.30, 1,340,424,945.45 and 618,117,615.90

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Solution

The fourth proportional to 893,616,630.30, 1,340,424,945.45 and 618,117,615.90 is: 927,176,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,616,630.30 : 1,340,424,945.45 = 618,117,615.90 : x
  2. Step 2: Convert to fraction form
    893,616,630.30/1,340,424,945.45 = 618,117,615.90/x
  3. Step 3: Cross multiply
    893,616,630.30x = 1,340,424,945.45 × 618,117,615.90
  4. Step 4: Simplify right side
    893,616,630.30x = 828,540,271,574,441,600
  5. Step 5: Solve for x
    x = 828,540,271,574,441,600/893,616,630.30
  6. Step 6: Final answer
    x = 927,176,423.85

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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.