Home / 466,580,892.60-643,869,157.14-257,732,540.28

Finding the Fourth Proportional to 466,580,892.60, 643,869,157.14 and 257,732,540.28

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Solution

The fourth proportional to 466,580,892.60, 643,869,157.14 and 257,732,540.28 is: 355,664,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,580,892.60 : 643,869,157.14 = 257,732,540.28 : x
  2. Step 2: Convert to fraction form
    466,580,892.60/643,869,157.14 = 257,732,540.28/x
  3. Step 3: Cross multiply
    466,580,892.60x = 643,869,157.14 × 257,732,540.28
  4. Step 4: Simplify right side
    466,580,892.60x = 165,946,033,477,634,688
  5. Step 5: Solve for x
    x = 165,946,033,477,634,688/466,580,892.60
  6. Step 6: Final answer
    x = 355,664,014.77

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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.