Home / 1,754,391,602.95-2,631,564,417.83-426,415,784.38

Finding the Fourth Proportional to 1,754,391,602.95, 2,631,564,417.83 and 426,415,784.38

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Solution

The fourth proportional to 1,754,391,602.95, 2,631,564,417.83 and 426,415,784.38 is: 639,618,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,391,602.95 : 2,631,564,417.83 = 426,415,784.38 : x
  2. Step 2: Convert to fraction form
    1,754,391,602.95/2,631,564,417.83 = 426,415,784.38/x
  3. Step 3: Cross multiply
    1,754,391,602.95x = 2,631,564,417.83 × 426,415,784.38
  4. Step 4: Simplify right side
    1,754,391,602.95x = 1,122,140,605,375,477,504
  5. Step 5: Solve for x
    x = 1,122,140,605,375,477,504/1,754,391,602.95
  6. Step 6: Final answer
    x = 639,618,089.54

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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.