Home / 559,873,031.70-839,809,547.55-384,521,121.30

Finding the Fourth Proportional to 559,873,031.70, 839,809,547.55 and 384,521,121.30

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Solution

The fourth proportional to 559,873,031.70, 839,809,547.55 and 384,521,121.30 is: 576,781,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,873,031.70 : 839,809,547.55 = 384,521,121.30 : x
  2. Step 2: Convert to fraction form
    559,873,031.70/839,809,547.55 = 384,521,121.30/x
  3. Step 3: Cross multiply
    559,873,031.70x = 839,809,547.55 × 384,521,121.30
  4. Step 4: Simplify right side
    559,873,031.70x = 322,924,508,902,371,648
  5. Step 5: Solve for x
    x = 322,924,508,902,371,648/559,873,031.70
  6. Step 6: Final answer
    x = 576,781,681.95

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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.