Home / 314,928,599.70-472,392,899.55-306,425,543.70

Finding the Fourth Proportional to 314,928,599.70, 472,392,899.55 and 306,425,543.70

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Solution

The fourth proportional to 314,928,599.70, 472,392,899.55 and 306,425,543.70 is: 459,638,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,599.70 : 472,392,899.55 = 306,425,543.70 : x
  2. Step 2: Convert to fraction form
    314,928,599.70/472,392,899.55 = 306,425,543.70/x
  3. Step 3: Cross multiply
    314,928,599.70x = 472,392,899.55 × 306,425,543.70
  4. Step 4: Simplify right side
    314,928,599.70x = 144,753,251,084,628,224
  5. Step 5: Solve for x
    x = 144,753,251,084,628,224/314,928,599.70
  6. Step 6: Final answer
    x = 459,638,315.55

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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.