Home / 1,277,586,080.98-1,916,532,109.41-392,155,461.58

Finding the Fourth Proportional to 1,277,586,080.98, 1,916,532,109.41 and 392,155,461.58

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Solution

The fourth proportional to 1,277,586,080.98, 1,916,532,109.41 and 392,155,461.58 is: 588,280,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,586,080.98 : 1,916,532,109.41 = 392,155,461.58 : x
  2. Step 2: Convert to fraction form
    1,277,586,080.98/1,916,532,109.41 = 392,155,461.58/x
  3. Step 3: Cross multiply
    1,277,586,080.98x = 1,916,532,109.41 × 392,155,461.58
  4. Step 4: Simplify right side
    1,277,586,080.98x = 751,578,533,998,569,600
  5. Step 5: Solve for x
    x = 751,578,533,998,569,600/1,277,586,080.98
  6. Step 6: Final answer
    x = 588,280,152.07

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1.5x scale

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.