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Finding the Fourth Proportional to 884,046,279.80, 1,323,518,502.90 and 782,009,607.80

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Solution

The fourth proportional to 884,046,279.80, 1,323,518,502.90 and 782,009,607.80 is: 1,170,757,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,046,279.80 : 1,323,518,502.90 = 782,009,607.80 : x
  2. Step 2: Convert to fraction form
    884,046,279.80/1,323,518,502.90 = 782,009,607.80/x
  3. Step 3: Cross multiply
    884,046,279.80x = 1,323,518,502.90 × 782,009,607.80
  4. Step 4: Simplify right side
    884,046,279.80x = 1,035,004,185,368,872,192
  5. Step 5: Solve for x
    x = 1,035,004,185,368,872,192/884,046,279.80
  6. Step 6: Final answer
    x = 1,170,757,921.86

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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.