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Finding the Fourth Proportional to 770,794,952.94, 1,063,668,527.06 and 418,363,445.88

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Solution

The fourth proportional to 770,794,952.94, 1,063,668,527.06 and 418,363,445.88 is: 577,326,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,794,952.94 : 1,063,668,527.06 = 418,363,445.88 : x
  2. Step 2: Convert to fraction form
    770,794,952.94/1,063,668,527.06 = 418,363,445.88/x
  3. Step 3: Cross multiply
    770,794,952.94x = 1,063,668,527.06 × 418,363,445.88
  4. Step 4: Simplify right side
    770,794,952.94x = 445,000,030,252,833,792
  5. Step 5: Solve for x
    x = 445,000,030,252,833,792/770,794,952.94
  6. Step 6: Final answer
    x = 577,326,082.06

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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.