Home / 1,240,151,923.80-1,710,260,080.81-905,093,726.04

Finding the Fourth Proportional to 1,240,151,923.80, 1,710,260,080.81 and 905,093,726.04

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Solution

The fourth proportional to 1,240,151,923.80, 1,710,260,080.81 and 905,093,726.04 is: 1,248,190,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,151,923.80 : 1,710,260,080.81 = 905,093,726.04 : x
  2. Step 2: Convert to fraction form
    1,240,151,923.80/1,710,260,080.81 = 905,093,726.04/x
  3. Step 3: Cross multiply
    1,240,151,923.80x = 1,710,260,080.81 × 905,093,726.04
  4. Step 4: Simplify right side
    1,240,151,923.80x = 1,547,945,669,035,531,520
  5. Step 5: Solve for x
    x = 1,547,945,669,035,531,520/1,240,151,923.80
  6. Step 6: Final answer
    x = 1,248,190,354.20

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1.5x scale

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.