Home / 1,293,644,116.20-1,940,466,174.30-711,153,287.40

Finding the Fourth Proportional to 1,293,644,116.20, 1,940,466,174.30 and 711,153,287.40

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Solution

The fourth proportional to 1,293,644,116.20, 1,940,466,174.30 and 711,153,287.40 is: 1,066,729,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,644,116.20 : 1,940,466,174.30 = 711,153,287.40 : x
  2. Step 2: Convert to fraction form
    1,293,644,116.20/1,940,466,174.30 = 711,153,287.40/x
  3. Step 3: Cross multiply
    1,293,644,116.20x = 1,940,466,174.30 × 711,153,287.40
  4. Step 4: Simplify right side
    1,293,644,116.20x = 1,379,968,898,941,946,368
  5. Step 5: Solve for x
    x = 1,379,968,898,941,946,368/1,293,644,116.20
  6. Step 6: Final answer
    x = 1,066,729,931.10

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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.