Home / 824,771,569.20-1,237,157,353.80-476,093,129.10

Finding the Fourth Proportional to 824,771,569.20, 1,237,157,353.80 and 476,093,129.10

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Solution

The fourth proportional to 824,771,569.20, 1,237,157,353.80 and 476,093,129.10 is: 714,139,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,771,569.20 : 1,237,157,353.80 = 476,093,129.10 : x
  2. Step 2: Convert to fraction form
    824,771,569.20/1,237,157,353.80 = 476,093,129.10/x
  3. Step 3: Cross multiply
    824,771,569.20x = 1,237,157,353.80 × 476,093,129.10
  4. Step 4: Simplify right side
    824,771,569.20x = 589,002,115,759,717,760
  5. Step 5: Solve for x
    x = 589,002,115,759,717,760/824,771,569.20
  6. Step 6: Final answer
    x = 714,139,693.65

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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.