Home / 1,280,431,569.84-1,766,020,656.22-1,102,118,942.58

Finding the Fourth Proportional to 1,280,431,569.84, 1,766,020,656.22 and 1,102,118,942.58

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Solution

The fourth proportional to 1,280,431,569.84, 1,766,020,656.22 and 1,102,118,942.58 is: 1,520,084,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,431,569.84 : 1,766,020,656.22 = 1,102,118,942.58 : x
  2. Step 2: Convert to fraction form
    1,280,431,569.84/1,766,020,656.22 = 1,102,118,942.58/x
  3. Step 3: Cross multiply
    1,280,431,569.84x = 1,766,020,656.22 × 1,102,118,942.58
  4. Step 4: Simplify right side
    1,280,431,569.84x = 1,946,364,818,207,623,936
  5. Step 5: Solve for x
    x = 1,946,364,818,207,623,936/1,280,431,569.84
  6. Step 6: Final answer
    x = 1,520,084,996.38

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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.