Home / 619,766,455.12-855,316,618.73-341,307,970.45

Finding the Fourth Proportional to 619,766,455.12, 855,316,618.73 and 341,307,970.45

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Solution

The fourth proportional to 619,766,455.12, 855,316,618.73 and 341,307,970.45 is: 471,026,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,766,455.12 : 855,316,618.73 = 341,307,970.45 : x
  2. Step 2: Convert to fraction form
    619,766,455.12/855,316,618.73 = 341,307,970.45/x
  3. Step 3: Cross multiply
    619,766,455.12x = 855,316,618.73 × 341,307,970.45
  4. Step 4: Simplify right side
    619,766,455.12x = 291,926,379,228,327,808
  5. Step 5: Solve for x
    x = 291,926,379,228,327,808/619,766,455.12
  6. Step 6: Final answer
    x = 471,026,427.48

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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.