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Finding the Fourth Proportional to 884,736,003.40, 1,327,104,005.10 and 626,746,985.80

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Solution

The fourth proportional to 884,736,003.40, 1,327,104,005.10 and 626,746,985.80 is: 940,120,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,736,003.40 : 1,327,104,005.10 = 626,746,985.80 : x
  2. Step 2: Convert to fraction form
    884,736,003.40/1,327,104,005.10 = 626,746,985.80/x
  3. Step 3: Cross multiply
    884,736,003.40x = 1,327,104,005.10 × 626,746,985.80
  4. Step 4: Simplify right side
    884,736,003.40x = 831,758,435,039,532,672
  5. Step 5: Solve for x
    x = 831,758,435,039,532,672/884,736,003.40
  6. Step 6: Final answer
    x = 940,120,478.70

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Double scale
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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.