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Finding the Fourth Proportional to 614,847,656.40, 922,271,484.60 and 555,538,840.80

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Solution

The fourth proportional to 614,847,656.40, 922,271,484.60 and 555,538,840.80 is: 833,308,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847,656.40 : 922,271,484.60 = 555,538,840.80 : x
  2. Step 2: Convert to fraction form
    614,847,656.40/922,271,484.60 = 555,538,840.80/x
  3. Step 3: Cross multiply
    614,847,656.40x = 922,271,484.60 × 555,538,840.80
  4. Step 4: Simplify right side
    614,847,656.40x = 512,357,631,457,579,008
  5. Step 5: Solve for x
    x = 512,357,631,457,579,008/614,847,656.40
  6. Step 6: Final answer
    x = 833,308,261.20

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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.