Home / 702,417,189,504.45-1,053,421,382,717.80-272,058,288,039.16

Finding the Fourth Proportional to 702,417,189,504.45, 1,053,421,382,717.80 and 272,058,288,039.16

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Solution

The fourth proportional to 702,417,189,504.45, 1,053,421,382,717.80 and 272,058,288,039.16 is: 408,008,263,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,417,189,504.45 : 1,053,421,382,717.80 = 272,058,288,039.16 : x
  2. Step 2: Convert to fraction form
    702,417,189,504.45/1,053,421,382,717.80 = 272,058,288,039.16/x
  3. Step 3: Cross multiply
    702,417,189,504.45x = 1,053,421,382,717.80 × 272,058,288,039.16
  4. Step 4: Simplify right side
    702,417,189,504.45x = 286,592,017,966,049,458,651,136
  5. Step 5: Solve for x
    x = 286,592,017,966,049,458,651,136/702,417,189,504.45
  6. Step 6: Final answer
    x = 408,008,263,818.60

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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.