Home / 460,010,924,599.78-690,030,444,127.60-157,819,288,406.45

Finding the Fourth Proportional to 460,010,924,599.78, 690,030,444,127.60 and 157,819,288,406.45

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Solution

The fourth proportional to 460,010,924,599.78, 690,030,444,127.60 and 157,819,288,406.45 is: 236,733,755,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,010,924,599.78 : 690,030,444,127.60 = 157,819,288,406.45 : x
  2. Step 2: Convert to fraction form
    460,010,924,599.78/690,030,444,127.60 = 157,819,288,406.45/x
  3. Step 3: Cross multiply
    460,010,924,599.78x = 690,030,444,127.60 × 157,819,288,406.45
  4. Step 4: Simplify right side
    460,010,924,599.78x = 108,900,113,671,004,490,825,728
  5. Step 5: Solve for x
    x = 108,900,113,671,004,490,825,728/460,010,924,599.78
  6. Step 6: Final answer
    x = 236,733,755,324.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.