Home / 644,560,252,457.67-889,495,913,752.20-351,591,559,775.01

Finding the Fourth Proportional to 644,560,252,457.67, 889,495,913,752.20 and 351,591,559,775.01

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Solution

The fourth proportional to 644,560,252,457.67, 889,495,913,752.20 and 351,591,559,775.01 is: 485,197,860,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,252,457.67 : 889,495,913,752.20 = 351,591,559,775.01 : x
  2. Step 2: Convert to fraction form
    644,560,252,457.67/889,495,913,752.20 = 351,591,559,775.01/x
  3. Step 3: Cross multiply
    644,560,252,457.67x = 889,495,913,752.20 × 351,591,559,775.01
  4. Step 4: Simplify right side
    644,560,252,457.67x = 312,739,255,729,633,768,767,488
  5. Step 5: Solve for x
    x = 312,739,255,729,633,768,767,488/644,560,252,457.67
  6. Step 6: Final answer
    x = 485,197,860,924.84

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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.