Home / 379,830,774.72-524,155,208.64-210,292,566.36

Finding the Fourth Proportional to 379,830,774.72, 524,155,208.64 and 210,292,566.36

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Solution

The fourth proportional to 379,830,774.72, 524,155,208.64 and 210,292,566.36 is: 290,197,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,830,774.72 : 524,155,208.64 = 210,292,566.36 : x
  2. Step 2: Convert to fraction form
    379,830,774.72/524,155,208.64 = 210,292,566.36/x
  3. Step 3: Cross multiply
    379,830,774.72x = 524,155,208.64 × 210,292,566.36
  4. Step 4: Simplify right side
    379,830,774.72x = 110,225,943,995,866,848
  5. Step 5: Solve for x
    x = 110,225,943,995,866,848/379,830,774.72
  6. Step 6: Final answer
    x = 290,197,507.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.