Home / 1,623,955,776.30-2,240,674,859.02-919,107,737.06

Finding the Fourth Proportional to 1,623,955,776.30, 2,240,674,859.02 and 919,107,737.06

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Solution

The fourth proportional to 1,623,955,776.30, 2,240,674,859.02 and 919,107,737.06 is: 1,268,151,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,955,776.30 : 2,240,674,859.02 = 919,107,737.06 : x
  2. Step 2: Convert to fraction form
    1,623,955,776.30/2,240,674,859.02 = 919,107,737.06/x
  3. Step 3: Cross multiply
    1,623,955,776.30x = 2,240,674,859.02 × 919,107,737.06
  4. Step 4: Simplify right side
    1,623,955,776.30x = 2,059,421,599,161,106,688
  5. Step 5: Solve for x
    x = 2,059,421,599,161,106,688/1,623,955,776.30
  6. Step 6: Final answer
    x = 1,268,151,281.71

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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.