Home / 484,762,839.36-668,973,466.80-275,918,979.84

Finding the Fourth Proportional to 484,762,839.36, 668,973,466.80 and 275,918,979.84

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Solution

The fourth proportional to 484,762,839.36, 668,973,466.80 and 275,918,979.84 is: 380,768,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,762,839.36 : 668,973,466.80 = 275,918,979.84 : x
  2. Step 2: Convert to fraction form
    484,762,839.36/668,973,466.80 = 275,918,979.84/x
  3. Step 3: Cross multiply
    484,762,839.36x = 668,973,466.80 × 275,918,979.84
  4. Step 4: Simplify right side
    484,762,839.36x = 184,582,476,499,484,064
  5. Step 5: Solve for x
    x = 184,582,476,499,484,064/484,762,839.36
  6. Step 6: Final answer
    x = 380,768,618.20

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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.