Home / 714,184,642.08-985,607,464.32-396,646,130.88

Finding the Fourth Proportional to 714,184,642.08, 985,607,464.32 and 396,646,130.88

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Solution

The fourth proportional to 714,184,642.08, 985,607,464.32 and 396,646,130.88 is: 547,389,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,184,642.08 : 985,607,464.32 = 396,646,130.88 : x
  2. Step 2: Convert to fraction form
    714,184,642.08/985,607,464.32 = 396,646,130.88/x
  3. Step 3: Cross multiply
    714,184,642.08x = 985,607,464.32 × 396,646,130.88
  4. Step 4: Simplify right side
    714,184,642.08x = 390,937,387,288,975,680
  5. Step 5: Solve for x
    x = 390,937,387,288,975,680/714,184,642.08
  6. Step 6: Final answer
    x = 547,389,798.46

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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.