Home / 484,276,636,205.36-668,322,061,109.04-278,511,036,210.12

Finding the Fourth Proportional to 484,276,636,205.36, 668,322,061,109.04 and 278,511,036,210.12

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Solution

The fourth proportional to 484,276,636,205.36, 668,322,061,109.04 and 278,511,036,210.12 is: 384,356,906,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,276,636,205.36 : 668,322,061,109.04 = 278,511,036,210.12 : x
  2. Step 2: Convert to fraction form
    484,276,636,205.36/668,322,061,109.04 = 278,511,036,210.12/x
  3. Step 3: Cross multiply
    484,276,636,205.36x = 668,322,061,109.04 × 278,511,036,210.12
  4. Step 4: Simplify right side
    484,276,636,205.36x = 186,135,069,761,561,866,272,768
  5. Step 5: Solve for x
    x = 186,135,069,761,561,866,272,768/484,276,636,205.36
  6. Step 6: Final answer
    x = 384,356,906,457.55

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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.