Home / 752,532,816.06-1,038,495,285.45-422,515,040.94

Finding the Fourth Proportional to 752,532,816.06, 1,038,495,285.45 and 422,515,040.94

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Solution

The fourth proportional to 752,532,816.06, 1,038,495,285.45 and 422,515,040.94 is: 583,070,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,532,816.06 : 1,038,495,285.45 = 422,515,040.94 : x
  2. Step 2: Convert to fraction form
    752,532,816.06/1,038,495,285.45 = 422,515,040.94/x
  3. Step 3: Cross multiply
    752,532,816.06x = 1,038,495,285.45 × 422,515,040.94
  4. Step 4: Simplify right side
    752,532,816.06x = 438,779,878,047,903,744
  5. Step 5: Solve for x
    x = 438,779,878,047,903,744/752,532,816.06
  6. Step 6: Final answer
    x = 583,070,756.10

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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.