Home / 697,644,808.40-1,046,467,212.60-683,312,085.20

Finding the Fourth Proportional to 697,644,808.40, 1,046,467,212.60 and 683,312,085.20

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Solution

The fourth proportional to 697,644,808.40, 1,046,467,212.60 and 683,312,085.20 is: 1,024,968,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,644,808.40 : 1,046,467,212.60 = 683,312,085.20 : x
  2. Step 2: Convert to fraction form
    697,644,808.40/1,046,467,212.60 = 683,312,085.20/x
  3. Step 3: Cross multiply
    697,644,808.40x = 1,046,467,212.60 × 683,312,085.20
  4. Step 4: Simplify right side
    697,644,808.40x = 715,063,693,135,137,792
  5. Step 5: Solve for x
    x = 715,063,693,135,137,792/697,644,808.40
  6. Step 6: Final answer
    x = 1,024,968,127.80

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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.