Home / 559,808,698.50-772,440,343.74-324,805,488.30

Finding the Fourth Proportional to 559,808,698.50, 772,440,343.74 and 324,805,488.30

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Solution

The fourth proportional to 559,808,698.50, 772,440,343.74 and 324,805,488.30 is: 448,176,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,808,698.50 : 772,440,343.74 = 324,805,488.30 : x
  2. Step 2: Convert to fraction form
    559,808,698.50/772,440,343.74 = 324,805,488.30/x
  3. Step 3: Cross multiply
    559,808,698.50x = 772,440,343.74 × 324,805,488.30
  4. Step 4: Simplify right side
    559,808,698.50x = 250,892,863,031,090,560
  5. Step 5: Solve for x
    x = 250,892,863,031,090,560/559,808,698.50
  6. Step 6: Final answer
    x = 448,176,071.05

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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.