Home / 644,560,252,281.15-889,495,913,508.60-351,591,559,598.35

Finding the Fourth Proportional to 644,560,252,281.15, 889,495,913,508.60 and 351,591,559,598.35

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Solution

The fourth proportional to 644,560,252,281.15, 889,495,913,508.60 and 351,591,559,598.35 is: 485,197,860,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,252,281.15 : 889,495,913,508.60 = 351,591,559,598.35 : x
  2. Step 2: Convert to fraction form
    644,560,252,281.15/889,495,913,508.60 = 351,591,559,598.35/x
  3. Step 3: Cross multiply
    644,560,252,281.15x = 889,495,913,508.60 × 351,591,559,598.35
  4. Step 4: Simplify right side
    644,560,252,281.15x = 312,739,255,486,847,656,132,608
  5. Step 5: Solve for x
    x = 312,739,255,486,847,656,132,608/644,560,252,281.15
  6. Step 6: Final answer
    x = 485,197,860,681.04

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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.