Home / 927,709,668-1,280,206,721.52-510,018,912

Finding the Fourth Proportional to 927,709,668, 1,280,206,721.52 and 510,018,912

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Solution

The fourth proportional to 927,709,668, 1,280,206,721.52 and 510,018,912 is: 703,808,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,709,668 : 1,280,206,721.52 = 510,018,912 : x
  2. Step 2: Convert to fraction form
    927,709,668/1,280,206,721.52 = 510,018,912/x
  3. Step 3: Cross multiply
    927,709,668x = 1,280,206,721.52 × 510,018,912
  4. Step 4: Simplify right side
    927,709,668x = 652,929,639,244,717,440
  5. Step 5: Solve for x
    x = 652,929,639,244,717,440/927,709,668
  6. Step 6: Final answer
    x = 703,808,165.17

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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.