Home / 927,709,671-1,280,206,725.66-510,018,915

Finding the Fourth Proportional to 927,709,671, 1,280,206,725.66 and 510,018,915

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Solution

The fourth proportional to 927,709,671, 1,280,206,725.66 and 510,018,915 is: 703,808,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,709,671 : 1,280,206,725.66 = 510,018,915 : x
  2. Step 2: Convert to fraction form
    927,709,671/1,280,206,725.66 = 510,018,915/x
  3. Step 3: Cross multiply
    927,709,671x = 1,280,206,725.66 × 510,018,915
  4. Step 4: Simplify right side
    927,709,671x = 652,929,645,196,815,872
  5. Step 5: Solve for x
    x = 652,929,645,196,815,872/927,709,671
  6. Step 6: Final answer
    x = 703,808,169.31

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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.