Home / 413,502,302.40-619,878,038.67-206,304,085.32

Finding the Fourth Proportional to 413,502,302.40, 619,878,038.67 and 206,304,085.32

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Solution

The fourth proportional to 413,502,302.40, 619,878,038.67 and 206,304,085.32 is: 309,268,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,502,302.40 : 619,878,038.67 = 206,304,085.32 : x
  2. Step 2: Convert to fraction form
    413,502,302.40/619,878,038.67 = 206,304,085.32/x
  3. Step 3: Cross multiply
    413,502,302.40x = 619,878,038.67 × 206,304,085.32
  4. Step 4: Simplify right side
    413,502,302.40x = 127,883,371,777,769,920
  5. Step 5: Solve for x
    x = 127,883,371,777,769,920/413,502,302.40
  6. Step 6: Final answer
    x = 309,268,826.40

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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.