Home / 704,078,701.20-1,056,118,051.80-643,562,758.80

Finding the Fourth Proportional to 704,078,701.20, 1,056,118,051.80 and 643,562,758.80

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Solution

The fourth proportional to 704,078,701.20, 1,056,118,051.80 and 643,562,758.80 is: 965,344,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,078,701.20 : 1,056,118,051.80 = 643,562,758.80 : x
  2. Step 2: Convert to fraction form
    704,078,701.20/1,056,118,051.80 = 643,562,758.80/x
  3. Step 3: Cross multiply
    704,078,701.20x = 1,056,118,051.80 × 643,562,758.80
  4. Step 4: Simplify right side
    704,078,701.20x = 679,678,247,034,889,216
  5. Step 5: Solve for x
    x = 679,678,247,034,889,216/704,078,701.20
  6. Step 6: Final answer
    x = 965,344,138.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.