Home / 830,041,837.09-1,145,456,764.57-453,700,896.50

Finding the Fourth Proportional to 830,041,837.09, 1,145,456,764.57 and 453,700,896.50

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Solution

The fourth proportional to 830,041,837.09, 1,145,456,764.57 and 453,700,896.50 is: 626,106,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,041,837.09 : 1,145,456,764.57 = 453,700,896.50 : x
  2. Step 2: Convert to fraction form
    830,041,837.09/1,145,456,764.57 = 453,700,896.50/x
  3. Step 3: Cross multiply
    830,041,837.09x = 1,145,456,764.57 × 453,700,896.50
  4. Step 4: Simplify right side
    830,041,837.09x = 519,694,760,990,806,464
  5. Step 5: Solve for x
    x = 519,694,760,990,806,464/830,041,837.09
  6. Step 6: Final answer
    x = 626,106,706.64

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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.