Home / 668,323,002.60-1,002,484,503.90-610,880,135.40

Finding the Fourth Proportional to 668,323,002.60, 1,002,484,503.90 and 610,880,135.40

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Solution

The fourth proportional to 668,323,002.60, 1,002,484,503.90 and 610,880,135.40 is: 916,320,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,323,002.60 : 1,002,484,503.90 = 610,880,135.40 : x
  2. Step 2: Convert to fraction form
    668,323,002.60/1,002,484,503.90 = 610,880,135.40/x
  3. Step 3: Cross multiply
    668,323,002.60x = 1,002,484,503.90 × 610,880,135.40
  4. Step 4: Simplify right side
    668,323,002.60x = 612,397,869,478,833,792
  5. Step 5: Solve for x
    x = 612,397,869,478,833,792/668,323,002.60
  6. Step 6: Final answer
    x = 916,320,203.10

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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.