Home / 753,947,049,858.15-1,130,913,122,036.40-345,417,542,890.29

Finding the Fourth Proportional to 753,947,049,858.15, 1,130,913,122,036.40 and 345,417,542,890.29

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Solution

The fourth proportional to 753,947,049,858.15, 1,130,913,122,036.40 and 345,417,542,890.29 is: 518,122,899,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,947,049,858.15 : 1,130,913,122,036.40 = 345,417,542,890.29 : x
  2. Step 2: Convert to fraction form
    753,947,049,858.15/1,130,913,122,036.40 = 345,417,542,890.29/x
  3. Step 3: Cross multiply
    753,947,049,858.15x = 1,130,913,122,036.40 × 345,417,542,890.29
  4. Step 4: Simplify right side
    753,947,049,858.15x = 390,637,231,836,199,888,355,328
  5. Step 5: Solve for x
    x = 390,637,231,836,199,888,355,328/753,947,049,858.15
  6. Step 6: Final answer
    x = 518,122,899,890.25

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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.