Home / 712,206,528.30-1,068,309,792.45-589,762,521.90

Finding the Fourth Proportional to 712,206,528.30, 1,068,309,792.45 and 589,762,521.90

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Solution

The fourth proportional to 712,206,528.30, 1,068,309,792.45 and 589,762,521.90 is: 884,643,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,206,528.30 : 1,068,309,792.45 = 589,762,521.90 : x
  2. Step 2: Convert to fraction form
    712,206,528.30/1,068,309,792.45 = 589,762,521.90/x
  3. Step 3: Cross multiply
    712,206,528.30x = 1,068,309,792.45 × 589,762,521.90
  4. Step 4: Simplify right side
    712,206,528.30x = 630,049,077,365,777,536
  5. Step 5: Solve for x
    x = 630,049,077,365,777,536/712,206,528.30
  6. Step 6: Final answer
    x = 884,643,782.85

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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.