Home / 473,719,388.78-653,688,885.04-262,021,663.28

Finding the Fourth Proportional to 473,719,388.78, 653,688,885.04 and 262,021,663.28

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Solution

The fourth proportional to 473,719,388.78, 653,688,885.04 and 262,021,663.28 is: 361,565,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,719,388.78 : 653,688,885.04 = 262,021,663.28 : x
  2. Step 2: Convert to fraction form
    473,719,388.78/653,688,885.04 = 262,021,663.28/x
  3. Step 3: Cross multiply
    473,719,388.78x = 653,688,885.04 × 262,021,663.28
  4. Step 4: Simplify right side
    473,719,388.78x = 171,280,648,924,519,392
  5. Step 5: Solve for x
    x = 171,280,648,924,519,392/473,719,388.78
  6. Step 6: Final answer
    x = 361,565,629.32

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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.