Home / 569,256,664.72-785,574,869.32-308,496,280.72

Finding the Fourth Proportional to 569,256,664.72, 785,574,869.32 and 308,496,280.72

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Solution

The fourth proportional to 569,256,664.72, 785,574,869.32 and 308,496,280.72 is: 425,725,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,256,664.72 : 785,574,869.32 = 308,496,280.72 : x
  2. Step 2: Convert to fraction form
    569,256,664.72/785,574,869.32 = 308,496,280.72/x
  3. Step 3: Cross multiply
    569,256,664.72x = 785,574,869.32 × 308,496,280.72
  4. Step 4: Simplify right side
    569,256,664.72x = 242,346,925,412,320,064
  5. Step 5: Solve for x
    x = 242,346,925,412,320,064/569,256,664.72
  6. Step 6: Final answer
    x = 425,725,231.57

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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.