Home / 569,528,178,131.05-785,949,664,120.25-309,105,891,315.11

Finding the Fourth Proportional to 569,528,178,131.05, 785,949,664,120.25 and 309,105,891,315.11

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Solution

The fourth proportional to 569,528,178,131.05, 785,949,664,120.25 and 309,105,891,315.11 is: 426,566,552,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,131.05 : 785,949,664,120.25 = 309,105,891,315.11 : x
  2. Step 2: Convert to fraction form
    569,528,178,131.05/785,949,664,120.25 = 309,105,891,315.11/x
  3. Step 3: Cross multiply
    569,528,178,131.05x = 785,949,664,120.25 × 309,105,891,315.11
  4. Step 4: Simplify right side
    569,528,178,131.05x = 242,941,671,456,701,184,737,280
  5. Step 5: Solve for x
    x = 242,941,671,456,701,184,737,280/569,528,178,131.05
  6. Step 6: Final answer
    x = 426,566,552,429.30

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Double scale
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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.