Home / 424,245,920,785.72-586,225,198,417.45-302,098,593,921.72

Finding the Fourth Proportional to 424,245,920,785.72, 586,225,198,417.45 and 302,098,593,921.72

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Solution

The fourth proportional to 424,245,920,785.72, 586,225,198,417.45 and 302,098,593,921.72 is: 417,441,393,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,245,920,785.72 : 586,225,198,417.45 = 302,098,593,921.72 : x
  2. Step 2: Convert to fraction form
    424,245,920,785.72/586,225,198,417.45 = 302,098,593,921.72/x
  3. Step 3: Cross multiply
    424,245,920,785.72x = 586,225,198,417.45 × 302,098,593,921.72
  4. Step 4: Simplify right side
    424,245,920,785.72x = 177,097,808,163,392,937,000,960
  5. Step 5: Solve for x
    x = 177,097,808,163,392,937,000,960/424,245,920,785.72
  6. Step 6: Final answer
    x = 417,441,393,037.80

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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.