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Finding the Fourth Proportional to 907,284,906.45, 1,360,927,359.68 and 907,284,906.45

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Solution

The fourth proportional to 907,284,906.45, 1,360,927,359.68 and 907,284,906.45 is: 1,360,927,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,284,906.45 : 1,360,927,359.68 = 907,284,906.45 : x
  2. Step 2: Convert to fraction form
    907,284,906.45/1,360,927,359.68 = 907,284,906.45/x
  3. Step 3: Cross multiply
    907,284,906.45x = 1,360,927,359.68 × 907,284,906.45
  4. Step 4: Simplify right side
    907,284,906.45x = 1,234,748,852,207,977,984
  5. Step 5: Solve for x
    x = 1,234,748,852,207,977,984/907,284,906.45
  6. Step 6: Final answer
    x = 1,360,927,359.68

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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.