Home / 637,804,851.20-956,707,276.80-153,130,659.20

Finding the Fourth Proportional to 637,804,851.20, 956,707,276.80 and 153,130,659.20

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Solution

The fourth proportional to 637,804,851.20, 956,707,276.80 and 153,130,659.20 is: 229,695,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,804,851.20 : 956,707,276.80 = 153,130,659.20 : x
  2. Step 2: Convert to fraction form
    637,804,851.20/956,707,276.80 = 153,130,659.20/x
  3. Step 3: Cross multiply
    637,804,851.20x = 956,707,276.80 × 153,130,659.20
  4. Step 4: Simplify right side
    637,804,851.20x = 146,501,215,957,820,832
  5. Step 5: Solve for x
    x = 146,501,215,957,820,832/637,804,851.20
  6. Step 6: Final answer
    x = 229,695,988.80

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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.