Home / 963,119,697.82-1,329,111,985.44-523,086,549.82

Finding the Fourth Proportional to 963,119,697.82, 1,329,111,985.44 and 523,086,549.82

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Solution

The fourth proportional to 963,119,697.82, 1,329,111,985.44 and 523,086,549.82 is: 721,863,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,119,697.82 : 1,329,111,985.44 = 523,086,549.82 : x
  2. Step 2: Convert to fraction form
    963,119,697.82/1,329,111,985.44 = 523,086,549.82/x
  3. Step 3: Cross multiply
    963,119,697.82x = 1,329,111,985.44 × 523,086,549.82
  4. Step 4: Simplify right side
    963,119,697.82x = 695,240,602,788,219,648
  5. Step 5: Solve for x
    x = 695,240,602,788,219,648/963,119,697.82
  6. Step 6: Final answer
    x = 721,863,133.28

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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.