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Finding the Fourth Proportional to 78,718,608,045.83, 118,077,912,068.74 and 78,718,608,045.83

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Solution

The fourth proportional to 78,718,608,045.83, 118,077,912,068.74 and 78,718,608,045.83 is: 118,077,912,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718,608,045.83 : 118,077,912,068.74 = 78,718,608,045.83 : x
  2. Step 2: Convert to fraction form
    78,718,608,045.83/118,077,912,068.74 = 78,718,608,045.83/x
  3. Step 3: Cross multiply
    78,718,608,045.83x = 118,077,912,068.74 × 78,718,608,045.83
  4. Step 4: Simplify right side
    78,718,608,045.83x = 9,294,928,879,008,533,708,800
  5. Step 5: Solve for x
    x = 9,294,928,879,008,533,708,800/78,718,608,045.83
  6. Step 6: Final answer
    x = 118,077,912,068.74

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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.