Home / 890,069,086.20-1,334,182,464.90-399,017,602.20

Finding the Fourth Proportional to 890,069,086.20, 1,334,182,464.90 and 399,017,602.20

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Solution

The fourth proportional to 890,069,086.20, 1,334,182,464.90 and 399,017,602.20 is: 598,113,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,069,086.20 : 1,334,182,464.90 = 399,017,602.20 : x
  2. Step 2: Convert to fraction form
    890,069,086.20/1,334,182,464.90 = 399,017,602.20/x
  3. Step 3: Cross multiply
    890,069,086.20x = 1,334,182,464.90 × 399,017,602.20
  4. Step 4: Simplify right side
    890,069,086.20x = 532,362,288,041,683,712
  5. Step 5: Solve for x
    x = 532,362,288,041,683,712/890,069,086.20
  6. Step 6: Final answer
    x = 598,113,445.68

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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.