Home / 1,370,706,415.58-2,056,254,849.48-425,386,176.82

Finding the Fourth Proportional to 1,370,706,415.58, 2,056,254,849.48 and 425,386,176.82

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Solution

The fourth proportional to 1,370,706,415.58, 2,056,254,849.48 and 425,386,176.82 is: 638,139,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,706,415.58 : 2,056,254,849.48 = 425,386,176.82 : x
  2. Step 2: Convert to fraction form
    1,370,706,415.58/2,056,254,849.48 = 425,386,176.82/x
  3. Step 3: Cross multiply
    1,370,706,415.58x = 2,056,254,849.48 × 425,386,176.82
  4. Step 4: Simplify right side
    1,370,706,415.58x = 874,702,388,987,881,728
  5. Step 5: Solve for x
    x = 874,702,388,987,881,728/1,370,706,415.58
  6. Step 6: Final answer
    x = 638,139,851.86

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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.