Home / 569,528,178,132.95-785,949,664,122.80-309,105,891,316.95

Finding the Fourth Proportional to 569,528,178,132.95, 785,949,664,122.80 and 309,105,891,316.95

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Solution

The fourth proportional to 569,528,178,132.95, 785,949,664,122.80 and 309,105,891,316.95 is: 426,566,552,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,132.95 : 785,949,664,122.80 = 309,105,891,316.95 : x
  2. Step 2: Convert to fraction form
    569,528,178,132.95/785,949,664,122.80 = 309,105,891,316.95/x
  3. Step 3: Cross multiply
    569,528,178,132.95x = 785,949,664,122.80 × 309,105,891,316.95
  4. Step 4: Simplify right side
    569,528,178,132.95x = 242,941,671,458,935,607,918,592
  5. Step 5: Solve for x
    x = 242,941,671,458,935,607,918,592/569,528,178,132.95
  6. Step 6: Final answer
    x = 426,566,552,431.80

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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.