Home / 1,231,497,906.84-1,698,822,795.42-761,448,971.16

Finding the Fourth Proportional to 1,231,497,906.84, 1,698,822,795.42 and 761,448,971.16

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Solution

The fourth proportional to 1,231,497,906.84, 1,698,822,795.42 and 761,448,971.16 is: 1,050,401,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,497,906.84 : 1,698,822,795.42 = 761,448,971.16 : x
  2. Step 2: Convert to fraction form
    1,231,497,906.84/1,698,822,795.42 = 761,448,971.16/x
  3. Step 3: Cross multiply
    1,231,497,906.84x = 1,698,822,795.42 × 761,448,971.16
  4. Step 4: Simplify right side
    1,231,497,906.84x = 1,293,566,869,755,714,048
  5. Step 5: Solve for x
    x = 1,293,566,869,755,714,048/1,231,497,906.84
  6. Step 6: Final answer
    x = 1,050,401,192.38

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Double scale
Find fourth proportional to 1,231,497,907.84, 1,698,822,796.80 and 761,448,972.16
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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.