Home / 1,494,679,970.40-2,242,019,955.60-511,779,840.92

Finding the Fourth Proportional to 1,494,679,970.40, 2,242,019,955.60 and 511,779,840.92

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Solution

The fourth proportional to 1,494,679,970.40, 2,242,019,955.60 and 511,779,840.92 is: 767,669,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,679,970.40 : 2,242,019,955.60 = 511,779,840.92 : x
  2. Step 2: Convert to fraction form
    1,494,679,970.40/2,242,019,955.60 = 511,779,840.92/x
  3. Step 3: Cross multiply
    1,494,679,970.40x = 2,242,019,955.60 × 511,779,840.92
  4. Step 4: Simplify right side
    1,494,679,970.40x = 1,147,420,616,216,433,408
  5. Step 5: Solve for x
    x = 1,147,420,616,216,433,408/1,494,679,970.40
  6. Step 6: Final answer
    x = 767,669,761.38

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1.5x scale

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.