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Finding the Fourth Proportional to 695,642,709.70, 975,333,065.90 and 695,642,709.70

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Solution

The fourth proportional to 695,642,709.70, 975,333,065.90 and 695,642,709.70 is: 975,333,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,642,709.70 : 975,333,065.90 = 695,642,709.70 : x
  2. Step 2: Convert to fraction form
    695,642,709.70/975,333,065.90 = 695,642,709.70/x
  3. Step 3: Cross multiply
    695,642,709.70x = 975,333,065.90 × 695,642,709.70
  4. Step 4: Simplify right side
    695,642,709.70x = 678,483,336,822,684,672
  5. Step 5: Solve for x
    x = 678,483,336,822,684,672/695,642,709.70
  6. Step 6: Final answer
    x = 975,333,065.90

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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.