Home / 660,578,045.58-990,844,627.02-169,296,139.26

Finding the Fourth Proportional to 660,578,045.58, 990,844,627.02 and 169,296,139.26

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Solution

The fourth proportional to 660,578,045.58, 990,844,627.02 and 169,296,139.26 is: 253,938,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,578,045.58 : 990,844,627.02 = 169,296,139.26 : x
  2. Step 2: Convert to fraction form
    660,578,045.58/990,844,627.02 = 169,296,139.26/x
  3. Step 3: Cross multiply
    660,578,045.58x = 990,844,627.02 × 169,296,139.26
  4. Step 4: Simplify right side
    660,578,045.58x = 167,746,169,960,365,824
  5. Step 5: Solve for x
    x = 167,746,169,960,365,824/660,578,045.58
  6. Step 6: Final answer
    x = 253,938,457.51

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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.