Home / 1,427,779,735,904.60-2,141,952,256,408.70-407,905,952,675.57

Finding the Fourth Proportional to 1,427,779,735,904.60, 2,141,952,256,408.70 and 407,905,952,675.57

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Solution

The fourth proportional to 1,427,779,735,904.60, 2,141,952,256,408.70 and 407,905,952,675.57 is: 611,939,680,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,779,735,904.60 : 2,141,952,256,408.70 = 407,905,952,675.57 : x
  2. Step 2: Convert to fraction form
    1,427,779,735,904.60/2,141,952,256,408.70 = 407,905,952,675.57/x
  3. Step 3: Cross multiply
    1,427,779,735,904.60x = 2,141,952,256,408.70 × 407,905,952,675.57
  4. Step 4: Simplify right side
    1,427,779,735,904.60x = 873,715,075,735,977,507,946,496
  5. Step 5: Solve for x
    x = 873,715,075,735,977,507,946,496/1,427,779,735,904.60
  6. Step 6: Final answer
    x = 611,939,680,725.63

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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.