Home / 630,010,424.84-869,414,471.37-347,752,918.92

Finding the Fourth Proportional to 630,010,424.84, 869,414,471.37 and 347,752,918.92

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Solution

The fourth proportional to 630,010,424.84, 869,414,471.37 and 347,752,918.92 is: 479,899,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,010,424.84 : 869,414,471.37 = 347,752,918.92 : x
  2. Step 2: Convert to fraction form
    630,010,424.84/869,414,471.37 = 347,752,918.92/x
  3. Step 3: Cross multiply
    630,010,424.84x = 869,414,471.37 × 347,752,918.92
  4. Step 4: Simplify right side
    630,010,424.84x = 302,341,420,170,206,272
  5. Step 5: Solve for x
    x = 302,341,420,170,206,272/630,010,424.84
  6. Step 6: Final answer
    x = 479,899,075.08

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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.