Home / 1,253,106,849,960.80-1,879,657,927,079.20-392,646,890,964.02

Finding the Fourth Proportional to 1,253,106,849,960.80, 1,879,657,927,079.20 and 392,646,890,964.02

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Solution

The fourth proportional to 1,253,106,849,960.80, 1,879,657,927,079.20 and 392,646,890,964.02 is: 588,969,600,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,106,849,960.80 : 1,879,657,927,079.20 = 392,646,890,964.02 : x
  2. Step 2: Convert to fraction form
    1,253,106,849,960.80/1,879,657,927,079.20 = 392,646,890,964.02/x
  3. Step 3: Cross multiply
    1,253,106,849,960.80x = 1,879,657,927,079.20 × 392,646,890,964.02
  4. Step 4: Simplify right side
    1,253,106,849,960.80x = 738,041,841,143,522,500,018,176
  5. Step 5: Solve for x
    x = 738,041,841,143,522,500,018,176/1,253,106,849,960.80
  6. Step 6: Final answer
    x = 588,969,600,769.97

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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.