Home / 317,772,955.14-438,563,417.52-185,646,979.86

Finding the Fourth Proportional to 317,772,955.14, 438,563,417.52 and 185,646,979.86

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Solution

The fourth proportional to 317,772,955.14, 438,563,417.52 and 185,646,979.86 is: 256,214,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,772,955.14 : 438,563,417.52 = 185,646,979.86 : x
  2. Step 2: Convert to fraction form
    317,772,955.14/438,563,417.52 = 185,646,979.86/x
  3. Step 3: Cross multiply
    317,772,955.14x = 438,563,417.52 × 185,646,979.86
  4. Step 4: Simplify right side
    317,772,955.14x = 81,417,973,939,668,208
  5. Step 5: Solve for x
    x = 81,417,973,939,668,208/317,772,955.14
  6. Step 6: Final answer
    x = 256,214,295.84

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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.