Home / 486,506,261.48-671,378,427.94-263,487,954.28

Finding the Fourth Proportional to 486,506,261.48, 671,378,427.94 and 263,487,954.28

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Solution

The fourth proportional to 486,506,261.48, 671,378,427.94 and 263,487,954.28 is: 363,613,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,506,261.48 : 671,378,427.94 = 263,487,954.28 : x
  2. Step 2: Convert to fraction form
    486,506,261.48/671,378,427.94 = 263,487,954.28/x
  3. Step 3: Cross multiply
    486,506,261.48x = 671,378,427.94 × 263,487,954.28
  4. Step 4: Simplify right side
    486,506,261.48x = 176,900,128,525,633,024
  5. Step 5: Solve for x
    x = 176,900,128,525,633,024/486,506,261.48
  6. Step 6: Final answer
    x = 363,613,261.60

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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.