Home / 1,091,369,756.90-1,637,293,783.80-538,936,837.40

Finding the Fourth Proportional to 1,091,369,756.90, 1,637,293,783.80 and 538,936,837.40

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Solution

The fourth proportional to 1,091,369,756.90, 1,637,293,783.80 and 538,936,837.40 is: 808,523,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,369,756.90 : 1,637,293,783.80 = 538,936,837.40 : x
  2. Step 2: Convert to fraction form
    1,091,369,756.90/1,637,293,783.80 = 538,936,837.40/x
  3. Step 3: Cross multiply
    1,091,369,756.90x = 1,637,293,783.80 × 538,936,837.40
  4. Step 4: Simplify right side
    1,091,369,756.90x = 882,397,933,735,851,264
  5. Step 5: Solve for x
    x = 882,397,933,735,851,264/1,091,369,756.90
  6. Step 6: Final answer
    x = 808,523,351.65

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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.