Home / 875,401,052.58-1,208,082,089.52-478,914,844.32

Finding the Fourth Proportional to 875,401,052.58, 1,208,082,089.52 and 478,914,844.32

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Solution

The fourth proportional to 875,401,052.58, 1,208,082,089.52 and 478,914,844.32 is: 660,918,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,401,052.58 : 1,208,082,089.52 = 478,914,844.32 : x
  2. Step 2: Convert to fraction form
    875,401,052.58/1,208,082,089.52 = 478,914,844.32/x
  3. Step 3: Cross multiply
    875,401,052.58x = 1,208,082,089.52 × 478,914,844.32
  4. Step 4: Simplify right side
    875,401,052.58x = 578,568,445,828,251,136
  5. Step 5: Solve for x
    x = 578,568,445,828,251,136/875,401,052.58
  6. Step 6: Final answer
    x = 660,918,151.88

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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.