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Finding the Fourth Proportional to 1,159,453,713.70, 1,619,791,461.50 and 1,159,453,713.70

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Solution

The fourth proportional to 1,159,453,713.70, 1,619,791,461.50 and 1,159,453,713.70 is: 1,619,791,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,453,713.70 : 1,619,791,461.50 = 1,159,453,713.70 : x
  2. Step 2: Convert to fraction form
    1,159,453,713.70/1,619,791,461.50 = 1,159,453,713.70/x
  3. Step 3: Cross multiply
    1,159,453,713.70x = 1,619,791,461.50 × 1,159,453,713.70
  4. Step 4: Simplify right side
    1,159,453,713.70x = 1,878,073,225,455,725,568
  5. Step 5: Solve for x
    x = 1,878,073,225,455,725,568/1,159,453,713.70
  6. Step 6: Final answer
    x = 1,619,791,461.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.