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Finding the Fourth Proportional to 718,357,200.30, 1,077,535,800.45 and 718,357,200.30

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Solution

The fourth proportional to 718,357,200.30, 1,077,535,800.45 and 718,357,200.30 is: 1,077,535,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,357,200.30 : 1,077,535,800.45 = 718,357,200.30 : x
  2. Step 2: Convert to fraction form
    718,357,200.30/1,077,535,800.45 = 718,357,200.30/x
  3. Step 3: Cross multiply
    718,357,200.30x = 1,077,535,800.45 × 718,357,200.30
  4. Step 4: Simplify right side
    718,357,200.30x = 774,055,600,834,281,472
  5. Step 5: Solve for x
    x = 774,055,600,834,281,472/718,357,200.30
  6. Step 6: Final answer
    x = 1,077,535,800.45

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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.