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Finding the Fourth Proportional to 1,334,602,848.60, 1,998,880,964.10 and 790,407,264.60

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Solution

The fourth proportional to 1,334,602,848.60, 1,998,880,964.10 and 790,407,264.60 is: 1,183,820,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,602,848.60 : 1,998,880,964.10 = 790,407,264.60 : x
  2. Step 2: Convert to fraction form
    1,334,602,848.60/1,998,880,964.10 = 790,407,264.60/x
  3. Step 3: Cross multiply
    1,334,602,848.60x = 1,998,880,964.10 × 790,407,264.60
  4. Step 4: Simplify right side
    1,334,602,848.60x = 1,579,930,035,095,291,648
  5. Step 5: Solve for x
    x = 1,579,930,035,095,291,648/1,334,602,848.60
  6. Step 6: Final answer
    x = 1,183,820,367.80

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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.