Home / 651,492,577.29-899,060,335.98-354,134,819.46

Finding the Fourth Proportional to 651,492,577.29, 899,060,335.98 and 354,134,819.46

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Solution

The fourth proportional to 651,492,577.29, 899,060,335.98 and 354,134,819.46 is: 488,706,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,492,577.29 : 899,060,335.98 = 354,134,819.46 : x
  2. Step 2: Convert to fraction form
    651,492,577.29/899,060,335.98 = 354,134,819.46/x
  3. Step 3: Cross multiply
    651,492,577.29x = 899,060,335.98 × 354,134,819.46
  4. Step 4: Simplify right side
    651,492,577.29x = 318,388,569,765,402,624
  5. Step 5: Solve for x
    x = 318,388,569,765,402,624/651,492,577.29
  6. Step 6: Final answer
    x = 488,706,365.76

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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.