Home / 869,162,862.30-1,303,744,293.45-665,089,518.30

Finding the Fourth Proportional to 869,162,862.30, 1,303,744,293.45 and 665,089,518.30

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Solution

The fourth proportional to 869,162,862.30, 1,303,744,293.45 and 665,089,518.30 is: 997,634,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,162,862.30 : 1,303,744,293.45 = 665,089,518.30 : x
  2. Step 2: Convert to fraction form
    869,162,862.30/1,303,744,293.45 = 665,089,518.30/x
  3. Step 3: Cross multiply
    869,162,862.30x = 1,303,744,293.45 × 665,089,518.30
  4. Step 4: Simplify right side
    869,162,862.30x = 867,106,664,117,034,368
  5. Step 5: Solve for x
    x = 867,106,664,117,034,368/869,162,862.30
  6. Step 6: Final answer
    x = 997,634,277.45

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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.