Home / 445,799,313.40-668,698,970.10-118,274,193.40

Finding the Fourth Proportional to 445,799,313.40, 668,698,970.10 and 118,274,193.40

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Solution

The fourth proportional to 445,799,313.40, 668,698,970.10 and 118,274,193.40 is: 177,411,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,799,313.40 : 668,698,970.10 = 118,274,193.40 : x
  2. Step 2: Convert to fraction form
    445,799,313.40/668,698,970.10 = 118,274,193.40/x
  3. Step 3: Cross multiply
    445,799,313.40x = 668,698,970.10 × 118,274,193.40
  4. Step 4: Simplify right side
    445,799,313.40x = 79,089,831,315,988,224
  5. Step 5: Solve for x
    x = 79,089,831,315,988,224/445,799,313.40
  6. Step 6: Final answer
    x = 177,411,290.10

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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.