Home / 569,528,178,133.95-785,949,664,124.18-309,105,891,317.95

Finding the Fourth Proportional to 569,528,178,133.95, 785,949,664,124.18 and 309,105,891,317.95

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Solution

The fourth proportional to 569,528,178,133.95, 785,949,664,124.18 and 309,105,891,317.95 is: 426,566,552,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,133.95 : 785,949,664,124.18 = 309,105,891,317.95 : x
  2. Step 2: Convert to fraction form
    569,528,178,133.95/785,949,664,124.18 = 309,105,891,317.95/x
  3. Step 3: Cross multiply
    569,528,178,133.95x = 785,949,664,124.18 × 309,105,891,317.95
  4. Step 4: Simplify right side
    569,528,178,133.95x = 242,941,671,460,148,130,873,344
  5. Step 5: Solve for x
    x = 242,941,671,460,148,130,873,344/569,528,178,133.95
  6. Step 6: Final answer
    x = 426,566,552,433.18

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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.