Home / 684,195,082.55-944,225,874.66-382,762,412.31

Finding the Fourth Proportional to 684,195,082.55, 944,225,874.66 and 382,762,412.31

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Solution

The fourth proportional to 684,195,082.55, 944,225,874.66 and 382,762,412.31 is: 528,232,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,195,082.55 : 944,225,874.66 = 382,762,412.31 : x
  2. Step 2: Convert to fraction form
    684,195,082.55/944,225,874.66 = 382,762,412.31/x
  3. Step 3: Cross multiply
    684,195,082.55x = 944,225,874.66 × 382,762,412.31
  4. Step 4: Simplify right side
    684,195,082.55x = 361,414,173,545,660,160
  5. Step 5: Solve for x
    x = 361,414,173,545,660,160/684,195,082.55
  6. Step 6: Final answer
    x = 528,232,638.27

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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.