Home / 648,993,810.96-895,655,400.48-366,638,322.06

Finding the Fourth Proportional to 648,993,810.96, 895,655,400.48 and 366,638,322.06

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Solution

The fourth proportional to 648,993,810.96, 895,655,400.48 and 366,638,322.06 is: 505,985,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,993,810.96 : 895,655,400.48 = 366,638,322.06 : x
  2. Step 2: Convert to fraction form
    648,993,810.96/895,655,400.48 = 366,638,322.06/x
  3. Step 3: Cross multiply
    648,993,810.96x = 895,655,400.48 × 366,638,322.06
  4. Step 4: Simplify right side
    648,993,810.96x = 328,381,593,175,964,544
  5. Step 5: Solve for x
    x = 328,381,593,175,964,544/648,993,810.96
  6. Step 6: Final answer
    x = 505,985,708.38

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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.