Home / 448,470,987.65-618,945,858.24-260,258,869.35

Finding the Fourth Proportional to 448,470,987.65, 618,945,858.24 and 260,258,869.35

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Solution

The fourth proportional to 448,470,987.65, 618,945,858.24 and 260,258,869.35 is: 359,189,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,470,987.65 : 618,945,858.24 = 260,258,869.35 : x
  2. Step 2: Convert to fraction form
    448,470,987.65/618,945,858.24 = 260,258,869.35/x
  3. Step 3: Cross multiply
    448,470,987.65x = 618,945,858.24 × 260,258,869.35
  4. Step 4: Simplify right side
    448,470,987.65x = 161,086,149,254,407,776
  5. Step 5: Solve for x
    x = 161,086,149,254,407,776/448,470,987.65
  6. Step 6: Final answer
    x = 359,189,677.13

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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.