Home / 505,729,089,802.70-758,638,233,461.14-142,697,938,841.12

Finding the Fourth Proportional to 505,729,089,802.70, 758,638,233,461.14 and 142,697,938,841.12

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Solution

The fourth proportional to 505,729,089,802.70, 758,638,233,461.14 and 142,697,938,841.12 is: 214,059,492,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,729,089,802.70 : 758,638,233,461.14 = 142,697,938,841.12 : x
  2. Step 2: Convert to fraction form
    505,729,089,802.70/758,638,233,461.14 = 142,697,938,841.12/x
  3. Step 3: Cross multiply
    505,729,089,802.70x = 758,638,233,461.14 × 142,697,938,841.12
  4. Step 4: Simplify right side
    505,729,089,802.70x = 108,256,112,240,973,077,020,672
  5. Step 5: Solve for x
    x = 108,256,112,240,973,077,020,672/505,729,089,802.70
  6. Step 6: Final answer
    x = 214,059,492,372.11

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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.