Home / 854,237,663.58-1,178,857,254.36-501,828,507.66

Finding the Fourth Proportional to 854,237,663.58, 1,178,857,254.36 and 501,828,507.66

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Solution

The fourth proportional to 854,237,663.58, 1,178,857,254.36 and 501,828,507.66 is: 692,528,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,237,663.58 : 1,178,857,254.36 = 501,828,507.66 : x
  2. Step 2: Convert to fraction form
    854,237,663.58/1,178,857,254.36 = 501,828,507.66/x
  3. Step 3: Cross multiply
    854,237,663.58x = 1,178,857,254.36 × 501,828,507.66
  4. Step 4: Simplify right side
    854,237,663.58x = 591,584,176,699,643,776
  5. Step 5: Solve for x
    x = 591,584,176,699,643,776/854,237,663.58
  6. Step 6: Final answer
    x = 692,528,791.37

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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.