Home / 3,979,749,875.04-5,492,024,156.16-2,195,678,523.60

Finding the Fourth Proportional to 3,979,749,875.04, 5,492,024,156.16 and 2,195,678,523.60

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Solution

The fourth proportional to 3,979,749,875.04, 5,492,024,156.16 and 2,195,678,523.60 is: 3,030,019,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,749,875.04 : 5,492,024,156.16 = 2,195,678,523.60 : x
  2. Step 2: Convert to fraction form
    3,979,749,875.04/5,492,024,156.16 = 2,195,678,523.60/x
  3. Step 3: Cross multiply
    3,979,749,875.04x = 5,492,024,156.16 × 2,195,678,523.60
  4. Step 4: Simplify right side
    3,979,749,875.04x = 12,058,719,490,772,924,416
  5. Step 5: Solve for x
    x = 12,058,719,490,772,924,416/3,979,749,875.04
  6. Step 6: Final answer
    x = 3,030,019,440.77

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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.