Home / 875,401,053.58-1,208,082,090.90-478,914,845.32

Finding the Fourth Proportional to 875,401,053.58, 1,208,082,090.90 and 478,914,845.32

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Solution

The fourth proportional to 875,401,053.58, 1,208,082,090.90 and 478,914,845.32 is: 660,918,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,401,053.58 : 1,208,082,090.90 = 478,914,845.32 : x
  2. Step 2: Convert to fraction form
    875,401,053.58/1,208,082,090.90 = 478,914,845.32/x
  3. Step 3: Cross multiply
    875,401,053.58x = 1,208,082,090.90 × 478,914,845.32
  4. Step 4: Simplify right side
    875,401,053.58x = 578,568,447,697,235,712
  5. Step 5: Solve for x
    x = 578,568,447,697,235,712/875,401,053.58
  6. Step 6: Final answer
    x = 660,918,153.26

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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.