Home / 1,046,021,931.40-1,566,201,741.90-819,529,515.40

Finding the Fourth Proportional to 1,046,021,931.40, 1,566,201,741.90 and 819,529,515.40

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Solution

The fourth proportional to 1,046,021,931.40, 1,566,201,741.90 and 819,529,515.40 is: 1,227,076,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,021,931.40 : 1,566,201,741.90 = 819,529,515.40 : x
  2. Step 2: Convert to fraction form
    1,046,021,931.40/1,566,201,741.90 = 819,529,515.40/x
  3. Step 3: Cross multiply
    1,046,021,931.40x = 1,566,201,741.90 × 819,529,515.40
  4. Step 4: Simplify right side
    1,046,021,931.40x = 1,283,548,554,557,943,040
  5. Step 5: Solve for x
    x = 1,283,548,554,557,943,040/1,046,021,931.40
  6. Step 6: Final answer
    x = 1,227,076,140.59

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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.