Home / 376,919,936,987.40-520,148,804,720.30-205,641,984,501.32

Finding the Fourth Proportional to 376,919,936,987.40, 520,148,804,720.30 and 205,641,984,501.32

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Solution

The fourth proportional to 376,919,936,987.40, 520,148,804,720.30 and 205,641,984,501.32 is: 283,785,552,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,919,936,987.40 : 520,148,804,720.30 = 205,641,984,501.32 : x
  2. Step 2: Convert to fraction form
    376,919,936,987.40/520,148,804,720.30 = 205,641,984,501.32/x
  3. Step 3: Cross multiply
    376,919,936,987.40x = 520,148,804,720.30 × 205,641,984,501.32
  4. Step 4: Simplify right side
    376,919,936,987.40x = 106,964,432,438,672,058,482,688
  5. Step 5: Solve for x
    x = 106,964,432,438,672,058,482,688/376,919,936,987.40
  6. Step 6: Final answer
    x = 283,785,552,161.57

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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.