Home / 956,238,390,319.90-1,319,608,881,180-522,692,510,782.80

Finding the Fourth Proportional to 956,238,390,319.90, 1,319,608,881,180 and 522,692,510,782.80

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Solution

The fourth proportional to 956,238,390,319.90, 1,319,608,881,180 and 522,692,510,782.80 is: 721,315,611,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,238,390,319.90 : 1,319,608,881,180 = 522,692,510,782.80 : x
  2. Step 2: Convert to fraction form
    956,238,390,319.90/1,319,608,881,180 = 522,692,510,782.80/x
  3. Step 3: Cross multiply
    956,238,390,319.90x = 1,319,608,881,180 × 522,692,510,782.80
  4. Step 4: Simplify right side
    956,238,390,319.90x = 689,749,679,355,255,825,891,328
  5. Step 5: Solve for x
    x = 689,749,679,355,255,825,891,328/956,238,390,319.90
  6. Step 6: Final answer
    x = 721,315,611,606.54

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Double scale
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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.