Home / 1,680,320,511.45-2,520,480,767.18-905,479,533.45

Finding the Fourth Proportional to 1,680,320,511.45, 2,520,480,767.18 and 905,479,533.45

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Solution

The fourth proportional to 1,680,320,511.45, 2,520,480,767.18 and 905,479,533.45 is: 1,358,219,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,320,511.45 : 2,520,480,767.18 = 905,479,533.45 : x
  2. Step 2: Convert to fraction form
    1,680,320,511.45/2,520,480,767.18 = 905,479,533.45/x
  3. Step 3: Cross multiply
    1,680,320,511.45x = 2,520,480,767.18 × 905,479,533.45
  4. Step 4: Simplify right side
    1,680,320,511.45x = 2,282,243,749,131,317,248
  5. Step 5: Solve for x
    x = 2,282,243,749,131,317,248/1,680,320,511.45
  6. Step 6: Final answer
    x = 1,358,219,300.18

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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.