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Finding the Fourth Proportional to 713,055,167.80, 1,069,582,751.70 and 622,355,903.80

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Solution

The fourth proportional to 713,055,167.80, 1,069,582,751.70 and 622,355,903.80 is: 933,533,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,055,167.80 : 1,069,582,751.70 = 622,355,903.80 : x
  2. Step 2: Convert to fraction form
    713,055,167.80/1,069,582,751.70 = 622,355,903.80/x
  3. Step 3: Cross multiply
    713,055,167.80x = 1,069,582,751.70 × 622,355,903.80
  4. Step 4: Simplify right side
    713,055,167.80x = 665,661,140,123,144,448
  5. Step 5: Solve for x
    x = 665,661,140,123,144,448/713,055,167.80
  6. Step 6: Final answer
    x = 933,533,855.70

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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.