Home / 740,392,787.52-1,021,727,438.10-405,866,030.76

Finding the Fourth Proportional to 740,392,787.52, 1,021,727,438.10 and 405,866,030.76

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Solution

The fourth proportional to 740,392,787.52, 1,021,727,438.10 and 405,866,030.76 is: 560,087,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,392,787.52 : 1,021,727,438.10 = 405,866,030.76 : x
  2. Step 2: Convert to fraction form
    740,392,787.52/1,021,727,438.10 = 405,866,030.76/x
  3. Step 3: Cross multiply
    740,392,787.52x = 1,021,727,438.10 × 405,866,030.76
  4. Step 4: Simplify right side
    740,392,787.52x = 414,684,459,820,230,592
  5. Step 5: Solve for x
    x = 414,684,459,820,230,592/740,392,787.52
  6. Step 6: Final answer
    x = 560,087,114.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.