Home / 1,663,341,136.82-2,295,428,908.66-920,797,599.86

Finding the Fourth Proportional to 1,663,341,136.82, 2,295,428,908.66 and 920,797,599.86

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Solution

The fourth proportional to 1,663,341,136.82, 2,295,428,908.66 and 920,797,599.86 is: 1,270,710,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,341,136.82 : 2,295,428,908.66 = 920,797,599.86 : x
  2. Step 2: Convert to fraction form
    1,663,341,136.82/2,295,428,908.66 = 920,797,599.86/x
  3. Step 3: Cross multiply
    1,663,341,136.82x = 2,295,428,908.66 × 920,797,599.86
  4. Step 4: Simplify right side
    1,663,341,136.82x = 2,113,625,429,729,607,936
  5. Step 5: Solve for x
    x = 2,113,625,429,729,607,936/1,663,341,136.82
  6. Step 6: Final answer
    x = 1,270,710,729.72

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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.