Home / 12,289,486,642.32-16,959,544,971.63-6,650,702,967.45

Finding the Fourth Proportional to 12,289,486,642.32, 16,959,544,971.63 and 6,650,702,967.45

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Solution

The fourth proportional to 12,289,486,642.32, 16,959,544,971.63 and 6,650,702,967.45 is: 9,177,998,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,486,642.32 : 16,959,544,971.63 = 6,650,702,967.45 : x
  2. Step 2: Convert to fraction form
    12,289,486,642.32/16,959,544,971.63 = 6,650,702,967.45/x
  3. Step 3: Cross multiply
    12,289,486,642.32x = 16,959,544,971.63 × 6,650,702,967.45
  4. Step 4: Simplify right side
    12,289,486,642.32x = 112,792,896,069,421,350,912
  5. Step 5: Solve for x
    x = 112,792,896,069,421,350,912/12,289,486,642.32
  6. Step 6: Final answer
    x = 9,177,998,996.39

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Double scale
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1.5x scale

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.