Home / 1,109,599,620.21-1,530,666,936.74-686,077,897.77

Finding the Fourth Proportional to 1,109,599,620.21, 1,530,666,936.74 and 686,077,897.77

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Solution

The fourth proportional to 1,109,599,620.21, 1,530,666,936.74 and 686,077,897.77 is: 946,428,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,599,620.21 : 1,530,666,936.74 = 686,077,897.77 : x
  2. Step 2: Convert to fraction form
    1,109,599,620.21/1,530,666,936.74 = 686,077,897.77/x
  3. Step 3: Cross multiply
    1,109,599,620.21x = 1,530,666,936.74 × 686,077,897.77
  4. Step 4: Simplify right side
    1,109,599,620.21x = 1,050,156,754,146,339,968
  5. Step 5: Solve for x
    x = 1,050,156,754,146,339,968/1,109,599,620.21
  6. Step 6: Final answer
    x = 946,428,545.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.