Home / 1,881,718,765.90-2,597,096,928.63-1,089,201,715.72

Finding the Fourth Proportional to 1,881,718,765.90, 2,597,096,928.63 and 1,089,201,715.72

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Solution

The fourth proportional to 1,881,718,765.90, 2,597,096,928.63 and 1,089,201,715.72 is: 1,503,286,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,718,765.90 : 2,597,096,928.63 = 1,089,201,715.72 : x
  2. Step 2: Convert to fraction form
    1,881,718,765.90/2,597,096,928.63 = 1,089,201,715.72/x
  3. Step 3: Cross multiply
    1,881,718,765.90x = 2,597,096,928.63 × 1,089,201,715.72
  4. Step 4: Simplify right side
    1,881,718,765.90x = 2,828,762,430,554,938,368
  5. Step 5: Solve for x
    x = 2,828,762,430,554,938,368/1,881,718,765.90
  6. Step 6: Final answer
    x = 1,503,286,506.90

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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.