Home / 569,528,178,134.43-785,949,664,124.88-309,105,891,318.45

Finding the Fourth Proportional to 569,528,178,134.43, 785,949,664,124.88 and 309,105,891,318.45

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Solution

The fourth proportional to 569,528,178,134.43, 785,949,664,124.88 and 309,105,891,318.45 is: 426,566,552,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,134.43 : 785,949,664,124.88 = 309,105,891,318.45 : x
  2. Step 2: Convert to fraction form
    569,528,178,134.43/785,949,664,124.88 = 309,105,891,318.45/x
  3. Step 3: Cross multiply
    569,528,178,134.43x = 785,949,664,124.88 × 309,105,891,318.45
  4. Step 4: Simplify right side
    569,528,178,134.43x = 242,941,671,460,757,445,804,032
  5. Step 5: Solve for x
    x = 242,941,671,460,757,445,804,032/569,528,178,134.43
  6. Step 6: Final answer
    x = 426,566,552,433.89

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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.