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Finding the Fourth Proportional to 884,046,302.80, 1,323,518,537.40 and 782,009,630.80

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Solution

The fourth proportional to 884,046,302.80, 1,323,518,537.40 and 782,009,630.80 is: 1,170,757,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,046,302.80 : 1,323,518,537.40 = 782,009,630.80 : x
  2. Step 2: Convert to fraction form
    884,046,302.80/1,323,518,537.40 = 782,009,630.80/x
  3. Step 3: Cross multiply
    884,046,302.80x = 1,323,518,537.40 × 782,009,630.80
  4. Step 4: Simplify right side
    884,046,302.80x = 1,035,004,242,789,129,984
  5. Step 5: Solve for x
    x = 1,035,004,242,789,129,984/884,046,302.80
  6. Step 6: Final answer
    x = 1,170,757,956.35

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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.