Home / 1,107,345,043.70-1,660,804,989.15-331,016,030.90

Finding the Fourth Proportional to 1,107,345,043.70, 1,660,804,989.15 and 331,016,030.90

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Solution

The fourth proportional to 1,107,345,043.70, 1,660,804,989.15 and 331,016,030.90 is: 496,460,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,345,043.70 : 1,660,804,989.15 = 331,016,030.90 : x
  2. Step 2: Convert to fraction form
    1,107,345,043.70/1,660,804,989.15 = 331,016,030.90/x
  3. Step 3: Cross multiply
    1,107,345,043.70x = 1,660,804,989.15 × 331,016,030.90
  4. Step 4: Simplify right side
    1,107,345,043.70x = 549,753,075,607,350,528
  5. Step 5: Solve for x
    x = 549,753,075,607,350,528/1,107,345,043.70
  6. Step 6: Final answer
    x = 496,460,501.39

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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.