Home / 463,671,427.20-695,507,140.80-248,680,579.20

Finding the Fourth Proportional to 463,671,427.20, 695,507,140.80 and 248,680,579.20

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Solution

The fourth proportional to 463,671,427.20, 695,507,140.80 and 248,680,579.20 is: 373,020,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,671,427.20 : 695,507,140.80 = 248,680,579.20 : x
  2. Step 2: Convert to fraction form
    463,671,427.20/695,507,140.80 = 248,680,579.20/x
  3. Step 3: Cross multiply
    463,671,427.20x = 695,507,140.80 × 248,680,579.20
  4. Step 4: Simplify right side
    463,671,427.20x = 172,959,118,611,879,936
  5. Step 5: Solve for x
    x = 172,959,118,611,879,936/463,671,427.20
  6. Step 6: Final answer
    x = 373,020,868.80

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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.