Home / 690,983,999.10-1,036,475,998.65-224,644,521.60

Finding the Fourth Proportional to 690,983,999.10, 1,036,475,998.65 and 224,644,521.60

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Solution

The fourth proportional to 690,983,999.10, 1,036,475,998.65 and 224,644,521.60 is: 336,966,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,983,999.10 : 1,036,475,998.65 = 224,644,521.60 : x
  2. Step 2: Convert to fraction form
    690,983,999.10/1,036,475,998.65 = 224,644,521.60/x
  3. Step 3: Cross multiply
    690,983,999.10x = 1,036,475,998.65 × 224,644,521.60
  4. Step 4: Simplify right side
    690,983,999.10x = 232,838,654,866,611,488
  5. Step 5: Solve for x
    x = 232,838,654,866,611,488/690,983,999.10
  6. Step 6: Final answer
    x = 336,966,782.40

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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.