Home / 1,319,064,861,727.50-1,977,464,099,012.80-458,427,216,105.91

Finding the Fourth Proportional to 1,319,064,861,727.50, 1,977,464,099,012.80 and 458,427,216,105.91

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Solution

The fourth proportional to 1,319,064,861,727.50, 1,977,464,099,012.80 and 458,427,216,105.91 is: 687,246,994,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,064,861,727.50 : 1,977,464,099,012.80 = 458,427,216,105.91 : x
  2. Step 2: Convert to fraction form
    1,319,064,861,727.50/1,977,464,099,012.80 = 458,427,216,105.91/x
  3. Step 3: Cross multiply
    1,319,064,861,727.50x = 1,977,464,099,012.80 × 458,427,216,105.91
  4. Step 4: Simplify right side
    1,319,064,861,727.50x = 906,523,361,859,819,444,109,312
  5. Step 5: Solve for x
    x = 906,523,361,859,819,444,109,312/1,319,064,861,727.50
  6. Step 6: Final answer
    x = 687,246,994,565.98

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Double scale
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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.