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Finding the Fourth Proportional to 1,420,013,330.04, 1,959,580,801.53 and 793,486,906.32

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Solution

The fourth proportional to 1,420,013,330.04, 1,959,580,801.53 and 793,486,906.32 is: 1,094,990,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,013,330.04 : 1,959,580,801.53 = 793,486,906.32 : x
  2. Step 2: Convert to fraction form
    1,420,013,330.04/1,959,580,801.53 = 793,486,906.32/x
  3. Step 3: Cross multiply
    1,420,013,330.04x = 1,959,580,801.53 × 793,486,906.32
  4. Step 4: Simplify right side
    1,420,013,330.04x = 1,554,901,707,890,105,600
  5. Step 5: Solve for x
    x = 1,554,901,707,890,105,600/1,420,013,330.04
  6. Step 6: Final answer
    x = 1,094,990,923.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.