Home / 569,528,178,135.43-785,949,664,126.26-309,105,891,319.45

Finding the Fourth Proportional to 569,528,178,135.43, 785,949,664,126.26 and 309,105,891,319.45

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Solution

The fourth proportional to 569,528,178,135.43, 785,949,664,126.26 and 309,105,891,319.45 is: 426,566,552,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,135.43 : 785,949,664,126.26 = 309,105,891,319.45 : x
  2. Step 2: Convert to fraction form
    569,528,178,135.43/785,949,664,126.26 = 309,105,891,319.45/x
  3. Step 3: Cross multiply
    569,528,178,135.43x = 785,949,664,126.26 × 309,105,891,319.45
  4. Step 4: Simplify right side
    569,528,178,135.43x = 242,941,671,461,969,968,758,784
  5. Step 5: Solve for x
    x = 242,941,671,461,969,968,758,784/569,528,178,135.43
  6. Step 6: Final answer
    x = 426,566,552,435.27

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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.