Home / 665,968,677.76-999,297,460.32-483,242,656.96

Finding the Fourth Proportional to 665,968,677.76, 999,297,460.32 and 483,242,656.96

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Solution

The fourth proportional to 665,968,677.76, 999,297,460.32 and 483,242,656.96 is: 725,113,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,968,677.76 : 999,297,460.32 = 483,242,656.96 : x
  2. Step 2: Convert to fraction form
    665,968,677.76/999,297,460.32 = 483,242,656.96/x
  3. Step 3: Cross multiply
    665,968,677.76x = 999,297,460.32 × 483,242,656.96
  4. Step 4: Simplify right side
    665,968,677.76x = 482,903,159,818,416,960
  5. Step 5: Solve for x
    x = 482,903,159,818,416,960/665,968,677.76
  6. Step 6: Final answer
    x = 725,113,921.94

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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.