Home / 1,042,476,072.57-1,438,705,703.41-590,434,454.66

Finding the Fourth Proportional to 1,042,476,072.57, 1,438,705,703.41 and 590,434,454.66

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Solution

The fourth proportional to 1,042,476,072.57, 1,438,705,703.41 and 590,434,454.66 is: 814,849,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,476,072.57 : 1,438,705,703.41 = 590,434,454.66 : x
  2. Step 2: Convert to fraction form
    1,042,476,072.57/1,438,705,703.41 = 590,434,454.66/x
  3. Step 3: Cross multiply
    1,042,476,072.57x = 1,438,705,703.41 × 590,434,454.66
  4. Step 4: Simplify right side
    1,042,476,072.57x = 849,461,417,400,445,440
  5. Step 5: Solve for x
    x = 849,461,417,400,445,440/1,042,476,072.57
  6. Step 6: Final answer
    x = 814,849,798.24

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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.