Home / 448,138,230,831.03-618,445,509,189.96-245,137,355,939.19

Finding the Fourth Proportional to 448,138,230,831.03, 618,445,509,189.96 and 245,137,355,939.19

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Solution

The fourth proportional to 448,138,230,831.03, 618,445,509,189.96 and 245,137,355,939.19 is: 338,297,619,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,138,230,831.03 : 618,445,509,189.96 = 245,137,355,939.19 : x
  2. Step 2: Convert to fraction form
    448,138,230,831.03/618,445,509,189.96 = 245,137,355,939.19/x
  3. Step 3: Cross multiply
    448,138,230,831.03x = 618,445,509,189.96 × 245,137,355,939.19
  4. Step 4: Simplify right side
    448,138,230,831.03x = 151,604,096,915,292,817,457,152
  5. Step 5: Solve for x
    x = 151,604,096,915,292,817,457,152/448,138,230,831.03
  6. Step 6: Final answer
    x = 338,297,619,986.93

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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.