Home / 1,427,779,735,902.10-2,141,952,256,404.90-407,905,952,673.07

Finding the Fourth Proportional to 1,427,779,735,902.10, 2,141,952,256,404.90 and 407,905,952,673.07

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Solution

The fourth proportional to 1,427,779,735,902.10, 2,141,952,256,404.90 and 407,905,952,673.07 is: 611,939,680,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,779,735,902.10 : 2,141,952,256,404.90 = 407,905,952,673.07 : x
  2. Step 2: Convert to fraction form
    1,427,779,735,902.10/2,141,952,256,404.90 = 407,905,952,673.07/x
  3. Step 3: Cross multiply
    1,427,779,735,902.10x = 2,141,952,256,404.90 × 407,905,952,673.07
  4. Step 4: Simplify right side
    1,427,779,735,902.10x = 873,715,075,729,072,676,929,536
  5. Step 5: Solve for x
    x = 873,715,075,729,072,676,929,536/1,427,779,735,902.10
  6. Step 6: Final answer
    x = 611,939,680,721.86

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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.