Home / 727,926,912,021.30-1,090,421,039,955.20-727,926,912,021.30

Finding the Fourth Proportional to 727,926,912,021.30, 1,090,421,039,955.20 and 727,926,912,021.30

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Solution

The fourth proportional to 727,926,912,021.30, 1,090,421,039,955.20 and 727,926,912,021.30 is: 1,090,421,039,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,926,912,021.30 : 1,090,421,039,955.20 = 727,926,912,021.30 : x
  2. Step 2: Convert to fraction form
    727,926,912,021.30/1,090,421,039,955.20 = 727,926,912,021.30/x
  3. Step 3: Cross multiply
    727,926,912,021.30x = 1,090,421,039,955.20 × 727,926,912,021.30
  4. Step 4: Simplify right side
    727,926,912,021.30x = 793,746,820,417,643,377,328,128
  5. Step 5: Solve for x
    x = 793,746,820,417,643,377,328,128/727,926,912,021.30
  6. Step 6: Final answer
    x = 1,090,421,039,955.20

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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.