Home / 651,492,577.54-899,060,336.33-354,134,819.71

Finding the Fourth Proportional to 651,492,577.54, 899,060,336.33 and 354,134,819.71

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Solution

The fourth proportional to 651,492,577.54, 899,060,336.33 and 354,134,819.71 is: 488,706,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,492,577.54 : 899,060,336.33 = 354,134,819.71 : x
  2. Step 2: Convert to fraction form
    651,492,577.54/899,060,336.33 = 354,134,819.71/x
  3. Step 3: Cross multiply
    651,492,577.54x = 899,060,336.33 × 354,134,819.71
  4. Step 4: Simplify right side
    651,492,577.54x = 318,388,570,111,503,488
  5. Step 5: Solve for x
    x = 318,388,570,111,503,488/651,492,577.54
  6. Step 6: Final answer
    x = 488,706,366.10

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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.