Home / 1,540,867,805.28-2,310,816,184.14-505,487,417.76

Finding the Fourth Proportional to 1,540,867,805.28, 2,310,816,184.14 and 505,487,417.76

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Solution

The fourth proportional to 1,540,867,805.28, 2,310,816,184.14 and 505,487,417.76 is: 758,071,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,867,805.28 : 2,310,816,184.14 = 505,487,417.76 : x
  2. Step 2: Convert to fraction form
    1,540,867,805.28/2,310,816,184.14 = 505,487,417.76/x
  3. Step 3: Cross multiply
    1,540,867,805.28x = 2,310,816,184.14 × 505,487,417.76
  4. Step 4: Simplify right side
    1,540,867,805.28x = 1,168,088,505,838,945,280
  5. Step 5: Solve for x
    x = 1,168,088,505,838,945,280/1,540,867,805.28
  6. Step 6: Final answer
    x = 758,071,848.76

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Double scale
Find fourth proportional to 1,540,867,806.28, 2,310,816,185.64 and 505,487,418.76
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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.