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Finding the Fourth Proportional to 718,462,495.80, 1,077,693,743.70 and 718,462,495.80

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Solution

The fourth proportional to 718,462,495.80, 1,077,693,743.70 and 718,462,495.80 is: 1,077,693,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,462,495.80 : 1,077,693,743.70 = 718,462,495.80 : x
  2. Step 2: Convert to fraction form
    718,462,495.80/1,077,693,743.70 = 718,462,495.80/x
  3. Step 3: Cross multiply
    718,462,495.80x = 1,077,693,743.70 × 718,462,495.80
  4. Step 4: Simplify right side
    718,462,495.80x = 774,282,536,806,747,520
  5. Step 5: Solve for x
    x = 774,282,536,806,747,520/718,462,495.80
  6. Step 6: Final answer
    x = 1,077,693,743.70

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1.5x scale

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.