Home / 802,763,258,832.72-1,107,842,530,955.40-436,939,788,142.80

Finding the Fourth Proportional to 802,763,258,832.72, 1,107,842,530,955.40 and 436,939,788,142.80

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Solution

The fourth proportional to 802,763,258,832.72, 1,107,842,530,955.40 and 436,939,788,142.80 is: 602,992,819,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,763,258,832.72 : 1,107,842,530,955.40 = 436,939,788,142.80 : x
  2. Step 2: Convert to fraction form
    802,763,258,832.72/1,107,842,530,955.40 = 436,939,788,142.80/x
  3. Step 3: Cross multiply
    802,763,258,832.72x = 1,107,842,530,955.40 × 436,939,788,142.80
  4. Step 4: Simplify right side
    802,763,258,832.72x = 484,060,480,771,235,766,075,392
  5. Step 5: Solve for x
    x = 484,060,480,771,235,766,075,392/802,763,258,832.72
  6. Step 6: Final answer
    x = 602,992,819,421.13

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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.