Home / 1,265,362,188-1,898,346,320.02-528,021,926.34

Finding the Fourth Proportional to 1,265,362,188, 1,898,346,320.02 and 528,021,926.34

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Solution

The fourth proportional to 1,265,362,188, 1,898,346,320.02 and 528,021,926.34 is: 792,159,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,362,188 : 1,898,346,320.02 = 528,021,926.34 : x
  2. Step 2: Convert to fraction form
    1,265,362,188/1,898,346,320.02 = 528,021,926.34/x
  3. Step 3: Cross multiply
    1,265,362,188x = 1,898,346,320.02 × 528,021,926.34
  4. Step 4: Simplify right side
    1,265,362,188x = 1,002,368,480,757,410,432
  5. Step 5: Solve for x
    x = 1,002,368,480,757,410,432/1,265,362,188
  6. Step 6: Final answer
    x = 792,159,343.99

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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.