Home / 562,478,823.62-776,210,391.12-311,577,710.30

Finding the Fourth Proportional to 562,478,823.62, 776,210,391.12 and 311,577,710.30

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Solution

The fourth proportional to 562,478,823.62, 776,210,391.12 and 311,577,710.30 is: 429,971,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,478,823.62 : 776,210,391.12 = 311,577,710.30 : x
  2. Step 2: Convert to fraction form
    562,478,823.62/776,210,391.12 = 311,577,710.30/x
  3. Step 3: Cross multiply
    562,478,823.62x = 776,210,391.12 × 311,577,710.30
  4. Step 4: Simplify right side
    562,478,823.62x = 241,849,856,376,237,056
  5. Step 5: Solve for x
    x = 241,849,856,376,237,056/562,478,823.62
  6. Step 6: Final answer
    x = 429,971,487.32

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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.