Home / 859,119,772.47-1,185,547,058.79-501,920,672.39

Finding the Fourth Proportional to 859,119,772.47, 1,185,547,058.79 and 501,920,672.39

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Solution

The fourth proportional to 859,119,772.47, 1,185,547,058.79 and 501,920,672.39 is: 692,628,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,119,772.47 : 1,185,547,058.79 = 501,920,672.39 : x
  2. Step 2: Convert to fraction form
    859,119,772.47/1,185,547,058.79 = 501,920,672.39/x
  3. Step 3: Cross multiply
    859,119,772.47x = 1,185,547,058.79 × 501,920,672.39
  4. Step 4: Simplify right side
    859,119,772.47x = 595,050,576,894,027,648
  5. Step 5: Solve for x
    x = 595,050,576,894,027,648/859,119,772.47
  6. Step 6: Final answer
    x = 692,628,194.53

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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.