Home / 8,968,085,905.60-12,376,334,533.96-5,157,611,831.68

Finding the Fourth Proportional to 8,968,085,905.60, 12,376,334,533.96 and 5,157,611,831.68

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Solution

The fourth proportional to 8,968,085,905.60, 12,376,334,533.96 and 5,157,611,831.68 is: 7,117,720,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,085,905.60 : 12,376,334,533.96 = 5,157,611,831.68 : x
  2. Step 2: Convert to fraction form
    8,968,085,905.60/12,376,334,533.96 = 5,157,611,831.68/x
  3. Step 3: Cross multiply
    8,968,085,905.60x = 12,376,334,533.96 × 5,157,611,831.68
  4. Step 4: Simplify right side
    8,968,085,905.60x = 63,832,329,425,181,876,224
  5. Step 5: Solve for x
    x = 63,832,329,425,181,876,224/8,968,085,905.60
  6. Step 6: Final answer
    x = 7,117,720,559.00

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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.