Home / 355,478,352.84-490,345,624.14-234,777,079.32

Finding the Fourth Proportional to 355,478,352.84, 490,345,624.14 and 234,777,079.32

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Solution

The fourth proportional to 355,478,352.84, 490,345,624.14 and 234,777,079.32 is: 323,850,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,478,352.84 : 490,345,624.14 = 234,777,079.32 : x
  2. Step 2: Convert to fraction form
    355,478,352.84/490,345,624.14 = 234,777,079.32/x
  3. Step 3: Cross multiply
    355,478,352.84x = 490,345,624.14 × 234,777,079.32
  4. Step 4: Simplify right side
    355,478,352.84x = 115,121,913,492,931,680
  5. Step 5: Solve for x
    x = 115,121,913,492,931,680/355,478,352.84
  6. Step 6: Final answer
    x = 323,850,700.26

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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.