Home / 644,560,252,281.65-889,495,913,509.30-351,591,559,598.85

Finding the Fourth Proportional to 644,560,252,281.65, 889,495,913,509.30 and 351,591,559,598.85

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Solution

The fourth proportional to 644,560,252,281.65, 889,495,913,509.30 and 351,591,559,598.85 is: 485,197,860,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,252,281.65 : 889,495,913,509.30 = 351,591,559,598.85 : x
  2. Step 2: Convert to fraction form
    644,560,252,281.65/889,495,913,509.30 = 351,591,559,598.85/x
  3. Step 3: Cross multiply
    644,560,252,281.65x = 889,495,913,509.30 × 351,591,559,598.85
  4. Step 4: Simplify right side
    644,560,252,281.65x = 312,739,255,487,538,541,887,488
  5. Step 5: Solve for x
    x = 312,739,255,487,538,541,887,488/644,560,252,281.65
  6. Step 6: Final answer
    x = 485,197,860,681.74

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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.