Home / 1,663,341,130.82-2,295,428,900.38-920,797,593.86

Finding the Fourth Proportional to 1,663,341,130.82, 2,295,428,900.38 and 920,797,593.86

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Solution

The fourth proportional to 1,663,341,130.82, 2,295,428,900.38 and 920,797,593.86 is: 1,270,710,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,341,130.82 : 2,295,428,900.38 = 920,797,593.86 : x
  2. Step 2: Convert to fraction form
    1,663,341,130.82/2,295,428,900.38 = 920,797,593.86/x
  3. Step 3: Cross multiply
    1,663,341,130.82x = 2,295,428,900.38 × 920,797,593.86
  4. Step 4: Simplify right side
    1,663,341,130.82x = 2,113,625,408,346,609,664
  5. Step 5: Solve for x
    x = 2,113,625,408,346,609,664/1,663,341,130.82
  6. Step 6: Final answer
    x = 1,270,710,721.44

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Double scale
Find fourth proportional to 1,663,341,131.82, 2,295,428,901.76 and 920,797,594.86
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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.