Home / 758,328,010.60-1,137,492,015.90-670,652,055.40

Finding the Fourth Proportional to 758,328,010.60, 1,137,492,015.90 and 670,652,055.40

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Solution

The fourth proportional to 758,328,010.60, 1,137,492,015.90 and 670,652,055.40 is: 1,005,978,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,328,010.60 : 1,137,492,015.90 = 670,652,055.40 : x
  2. Step 2: Convert to fraction form
    758,328,010.60/1,137,492,015.90 = 670,652,055.40/x
  3. Step 3: Cross multiply
    758,328,010.60x = 1,137,492,015.90 × 670,652,055.40
  4. Step 4: Simplify right side
    758,328,010.60x = 762,861,358,464,424,576
  5. Step 5: Solve for x
    x = 762,861,358,464,424,576/758,328,010.60
  6. Step 6: Final answer
    x = 1,005,978,083.10

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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.