Home / 387,168,455.02-534,292,544.55-210,956,450.49

Finding the Fourth Proportional to 387,168,455.02, 534,292,544.55 and 210,956,450.49

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Solution

The fourth proportional to 387,168,455.02, 534,292,544.55 and 210,956,450.49 is: 291,119,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,168,455.02 : 534,292,544.55 = 210,956,450.49 : x
  2. Step 2: Convert to fraction form
    387,168,455.02/534,292,544.55 = 210,956,450.49/x
  3. Step 3: Cross multiply
    387,168,455.02x = 534,292,544.55 × 210,956,450.49
  4. Step 4: Simplify right side
    387,168,455.02x = 112,712,458,720,069,216
  5. Step 5: Solve for x
    x = 112,712,458,720,069,216/387,168,455.02
  6. Step 6: Final answer
    x = 291,119,943.42

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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.