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Finding the Fourth Proportional to 777,732,756.40, 1,166,599,134.60 and 777,732,756.40

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Solution

The fourth proportional to 777,732,756.40, 1,166,599,134.60 and 777,732,756.40 is: 1,166,599,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,732,756.40 : 1,166,599,134.60 = 777,732,756.40 : x
  2. Step 2: Convert to fraction form
    777,732,756.40/1,166,599,134.60 = 777,732,756.40/x
  3. Step 3: Cross multiply
    777,732,756.40x = 1,166,599,134.60 × 777,732,756.40
  4. Step 4: Simplify right side
    777,732,756.40x = 907,302,360,566,312,448
  5. Step 5: Solve for x
    x = 907,302,360,566,312,448/777,732,756.40
  6. Step 6: Final answer
    x = 1,166,599,134.60

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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.