Home / 1,009,569,239.20-1,514,495,576.40-319,404,527.20

Finding the Fourth Proportional to 1,009,569,239.20, 1,514,495,576.40 and 319,404,527.20

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Solution

The fourth proportional to 1,009,569,239.20, 1,514,495,576.40 and 319,404,527.20 is: 479,151,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,569,239.20 : 1,514,495,576.40 = 319,404,527.20 : x
  2. Step 2: Convert to fraction form
    1,009,569,239.20/1,514,495,576.40 = 319,404,527.20/x
  3. Step 3: Cross multiply
    1,009,569,239.20x = 1,514,495,576.40 × 319,404,527.20
  4. Step 4: Simplify right side
    1,009,569,239.20x = 483,736,743,526,533,504
  5. Step 5: Solve for x
    x = 483,736,743,526,533,504/1,009,569,239.20
  6. Step 6: Final answer
    x = 479,151,626.99

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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.