Home / 554,708,642.28-765,483,274.98-316,549,558.14

Finding the Fourth Proportional to 554,708,642.28, 765,483,274.98 and 316,549,558.14

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Solution

The fourth proportional to 554,708,642.28, 765,483,274.98 and 316,549,558.14 is: 436,830,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,708,642.28 : 765,483,274.98 = 316,549,558.14 : x
  2. Step 2: Convert to fraction form
    554,708,642.28/765,483,274.98 = 316,549,558.14/x
  3. Step 3: Cross multiply
    554,708,642.28x = 765,483,274.98 × 316,549,558.14
  4. Step 4: Simplify right side
    554,708,642.28x = 242,313,392,458,479,104
  5. Step 5: Solve for x
    x = 242,313,392,458,479,104/554,708,642.28
  6. Step 6: Final answer
    x = 436,830,029.30

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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.