Home / 463,638,657.20-695,457,985.80-248,647,809.20

Finding the Fourth Proportional to 463,638,657.20, 695,457,985.80 and 248,647,809.20

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Solution

The fourth proportional to 463,638,657.20, 695,457,985.80 and 248,647,809.20 is: 372,971,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,638,657.20 : 695,457,985.80 = 248,647,809.20 : x
  2. Step 2: Convert to fraction form
    463,638,657.20/695,457,985.80 = 248,647,809.20/x
  3. Step 3: Cross multiply
    463,638,657.20x = 695,457,985.80 × 248,647,809.20
  4. Step 4: Simplify right side
    463,638,657.20x = 172,924,104,559,814,688
  5. Step 5: Solve for x
    x = 172,924,104,559,814,688/463,638,657.20
  6. Step 6: Final answer
    x = 372,971,713.80

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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.