Home / 889,762,227.90-1,335,041,473.05-404,838,426.30

Finding the Fourth Proportional to 889,762,227.90, 1,335,041,473.05 and 404,838,426.30

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Solution

The fourth proportional to 889,762,227.90, 1,335,041,473.05 and 404,838,426.30 is: 607,438,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,762,227.90 : 1,335,041,473.05 = 404,838,426.30 : x
  2. Step 2: Convert to fraction form
    889,762,227.90/1,335,041,473.05 = 404,838,426.30/x
  3. Step 3: Cross multiply
    889,762,227.90x = 1,335,041,473.05 × 404,838,426.30
  4. Step 4: Simplify right side
    889,762,227.90x = 540,476,088,994,795,840
  5. Step 5: Solve for x
    x = 540,476,088,994,795,840/889,762,227.90
  6. Step 6: Final answer
    x = 607,438,787.63

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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.