Home / 648,051,531.50-971,683,656.97-254,106,382.76

Finding the Fourth Proportional to 648,051,531.50, 971,683,656.97 and 254,106,382.76

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Solution

The fourth proportional to 648,051,531.50, 971,683,656.97 and 254,106,382.76 is: 381,005,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,051,531.50 : 971,683,656.97 = 254,106,382.76 : x
  2. Step 2: Convert to fraction form
    648,051,531.50/971,683,656.97 = 254,106,382.76/x
  3. Step 3: Cross multiply
    648,051,531.50x = 971,683,656.97 × 254,106,382.76
  4. Step 4: Simplify right side
    648,051,531.50x = 246,911,019,254,796,960
  5. Step 5: Solve for x
    x = 246,911,019,254,796,960/648,051,531.50
  6. Step 6: Final answer
    x = 381,005,224.52

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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.