Home / 893,616,019.80-1,340,424,029.70-618,117,005.40

Finding the Fourth Proportional to 893,616,019.80, 1,340,424,029.70 and 618,117,005.40

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Solution

The fourth proportional to 893,616,019.80, 1,340,424,029.70 and 618,117,005.40 is: 927,175,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,616,019.80 : 1,340,424,029.70 = 618,117,005.40 : x
  2. Step 2: Convert to fraction form
    893,616,019.80/1,340,424,029.70 = 618,117,005.40/x
  3. Step 3: Cross multiply
    893,616,019.80x = 1,340,424,029.70 × 618,117,005.40
  4. Step 4: Simplify right side
    893,616,019.80x = 828,538,887,204,364,672
  5. Step 5: Solve for x
    x = 828,538,887,204,364,672/893,616,019.80
  6. Step 6: Final answer
    x = 927,175,508.10

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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.