Home / 569,256,606.72-785,574,789.12-308,496,222.72

Finding the Fourth Proportional to 569,256,606.72, 785,574,789.12 and 308,496,222.72

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Solution

The fourth proportional to 569,256,606.72, 785,574,789.12 and 308,496,222.72 is: 425,725,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,256,606.72 : 785,574,789.12 = 308,496,222.72 : x
  2. Step 2: Convert to fraction form
    569,256,606.72/785,574,789.12 = 308,496,222.72/x
  3. Step 3: Cross multiply
    569,256,606.72x = 785,574,789.12 × 308,496,222.72
  4. Step 4: Simplify right side
    569,256,606.72x = 242,346,855,107,580,576
  5. Step 5: Solve for x
    x = 242,346,855,107,580,576/569,256,606.72
  6. Step 6: Final answer
    x = 425,725,151.45

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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.