Home / 314,791,319.70-472,186,979.55-290,604,849.30

Finding the Fourth Proportional to 314,791,319.70, 472,186,979.55 and 290,604,849.30

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Solution

The fourth proportional to 314,791,319.70, 472,186,979.55 and 290,604,849.30 is: 435,907,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,791,319.70 : 472,186,979.55 = 290,604,849.30 : x
  2. Step 2: Convert to fraction form
    314,791,319.70/472,186,979.55 = 290,604,849.30/x
  3. Step 3: Cross multiply
    314,791,319.70x = 472,186,979.55 × 290,604,849.30
  4. Step 4: Simplify right side
    314,791,319.70x = 137,219,826,033,549,936
  5. Step 5: Solve for x
    x = 137,219,826,033,549,936/314,791,319.70
  6. Step 6: Final answer
    x = 435,907,273.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.