Home / 560,538,685.12-773,528,392.44-309,637,677.12

Finding the Fourth Proportional to 560,538,685.12, 773,528,392.44 and 309,637,677.12

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Solution

The fourth proportional to 560,538,685.12, 773,528,392.44 and 309,637,677.12 is: 427,291,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,538,685.12 : 773,528,392.44 = 309,637,677.12 : x
  2. Step 2: Convert to fraction form
    560,538,685.12/773,528,392.44 = 309,637,677.12/x
  3. Step 3: Cross multiply
    560,538,685.12x = 773,528,392.44 × 309,637,677.12
  4. Step 4: Simplify right side
    560,538,685.12x = 239,513,534,621,489,376
  5. Step 5: Solve for x
    x = 239,513,534,621,489,376/560,538,685.12
  6. Step 6: Final answer
    x = 427,291,712.38

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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.