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Finding the Fourth Proportional to 868,828,602.60, 1,303,242,903.90 and 797,402,932.20

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Solution

The fourth proportional to 868,828,602.60, 1,303,242,903.90 and 797,402,932.20 is: 1,196,104,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,828,602.60 : 1,303,242,903.90 = 797,402,932.20 : x
  2. Step 2: Convert to fraction form
    868,828,602.60/1,303,242,903.90 = 797,402,932.20/x
  3. Step 3: Cross multiply
    868,828,602.60x = 1,303,242,903.90 × 797,402,932.20
  4. Step 4: Simplify right side
    868,828,602.60x = 1,039,209,712,938,702,976
  5. Step 5: Solve for x
    x = 1,039,209,712,938,702,976/868,828,602.60
  6. Step 6: Final answer
    x = 1,196,104,398.30

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Double scale
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Similar ratio
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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.