Home / 776,089,065.60-1,164,295,339.20-258,680,246.40

Finding the Fourth Proportional to 776,089,065.60, 1,164,295,339.20 and 258,680,246.40

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Solution

The fourth proportional to 776,089,065.60, 1,164,295,339.20 and 258,680,246.40 is: 388,074,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,089,065.60 : 1,164,295,339.20 = 258,680,246.40 : x
  2. Step 2: Convert to fraction form
    776,089,065.60/1,164,295,339.20 = 258,680,246.40/x
  3. Step 3: Cross multiply
    776,089,065.60x = 1,164,295,339.20 × 258,680,246.40
  4. Step 4: Simplify right side
    776,089,065.60x = 301,180,205,226,627,584
  5. Step 5: Solve for x
    x = 301,180,205,226,627,584/776,089,065.60
  6. Step 6: Final answer
    x = 388,074,279.84

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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.