Home / 569,528,178,296.50-785,949,664,347.75-309,105,891,479.72

Finding the Fourth Proportional to 569,528,178,296.50, 785,949,664,347.75 and 309,105,891,479.72

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Solution

The fourth proportional to 569,528,178,296.50, 785,949,664,347.75 and 309,105,891,479.72 is: 426,566,552,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,296.50 : 785,949,664,347.75 = 309,105,891,479.72 : x
  2. Step 2: Convert to fraction form
    569,528,178,296.50/785,949,664,347.75 = 309,105,891,479.72/x
  3. Step 3: Cross multiply
    569,528,178,296.50x = 785,949,664,347.75 × 309,105,891,479.72
  4. Step 4: Simplify right side
    569,528,178,296.50x = 242,941,671,656,397,937,311,744
  5. Step 5: Solve for x
    x = 242,941,671,656,397,937,311,744/569,528,178,296.50
  6. Step 6: Final answer
    x = 426,566,552,656.01

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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.