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Finding the Fourth Proportional to 77,263,359,308.70, 115,895,038,963.05 and 77,263,359,308.70

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Solution

The fourth proportional to 77,263,359,308.70, 115,895,038,963.05 and 77,263,359,308.70 is: 115,895,038,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263,359,308.70 : 115,895,038,963.05 = 77,263,359,308.70 : x
  2. Step 2: Convert to fraction form
    77,263,359,308.70/115,895,038,963.05 = 77,263,359,308.70/x
  3. Step 3: Cross multiply
    77,263,359,308.70x = 115,895,038,963.05 × 77,263,359,308.70
  4. Step 4: Simplify right side
    77,263,359,308.70x = 8,954,440,037,497,918,455,808
  5. Step 5: Solve for x
    x = 8,954,440,037,497,918,455,808/77,263,359,308.70
  6. Step 6: Final answer
    x = 115,895,038,963.05

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Double scale
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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.