Home / 1,020,085,444.44-1,530,123,030.62-398,363,810.16

Finding the Fourth Proportional to 1,020,085,444.44, 1,530,123,030.62 and 398,363,810.16

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Solution

The fourth proportional to 1,020,085,444.44, 1,530,123,030.62 and 398,363,810.16 is: 597,543,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,085,444.44 : 1,530,123,030.62 = 398,363,810.16 : x
  2. Step 2: Convert to fraction form
    1,020,085,444.44/1,530,123,030.62 = 398,363,810.16/x
  3. Step 3: Cross multiply
    1,020,085,444.44x = 1,530,123,030.62 × 398,363,810.16
  4. Step 4: Simplify right side
    1,020,085,444.44x = 609,545,640,491,349,504
  5. Step 5: Solve for x
    x = 609,545,640,491,349,504/1,020,085,444.44
  6. Step 6: Final answer
    x = 597,543,709.51

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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.