Home / 514,512,421.20-771,768,631.80-296,834,187.60

Finding the Fourth Proportional to 514,512,421.20, 771,768,631.80 and 296,834,187.60

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Solution

The fourth proportional to 514,512,421.20, 771,768,631.80 and 296,834,187.60 is: 445,251,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,512,421.20 : 771,768,631.80 = 296,834,187.60 : x
  2. Step 2: Convert to fraction form
    514,512,421.20/771,768,631.80 = 296,834,187.60/x
  3. Step 3: Cross multiply
    514,512,421.20x = 771,768,631.80 × 296,834,187.60
  4. Step 4: Simplify right side
    514,512,421.20x = 229,087,314,835,516,544
  5. Step 5: Solve for x
    x = 229,087,314,835,516,544/514,512,421.20
  6. Step 6: Final answer
    x = 445,251,281.40

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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.