Home / 1,219,147,233.20-1,682,421,901.48-662,230,715.84

Finding the Fourth Proportional to 1,219,147,233.20, 1,682,421,901.48 and 662,230,715.84

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Solution

The fourth proportional to 1,219,147,233.20, 1,682,421,901.48 and 662,230,715.84 is: 913,877,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,147,233.20 : 1,682,421,901.48 = 662,230,715.84 : x
  2. Step 2: Convert to fraction form
    1,219,147,233.20/1,682,421,901.48 = 662,230,715.84/x
  3. Step 3: Cross multiply
    1,219,147,233.20x = 1,682,421,901.48 × 662,230,715.84
  4. Step 4: Simplify right side
    1,219,147,233.20x = 1,114,151,460,161,994,368
  5. Step 5: Solve for x
    x = 1,114,151,460,161,994,368/1,219,147,233.20
  6. Step 6: Final answer
    x = 913,877,692.39

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Double scale
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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.