Home / 1,144,811,374.56-1,579,853,885.76-643,129,741.35

Finding the Fourth Proportional to 1,144,811,374.56, 1,579,853,885.76 and 643,129,741.35

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Solution

The fourth proportional to 1,144,811,374.56, 1,579,853,885.76 and 643,129,741.35 is: 887,527,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,811,374.56 : 1,579,853,885.76 = 643,129,741.35 : x
  2. Step 2: Convert to fraction form
    1,144,811,374.56/1,579,853,885.76 = 643,129,741.35/x
  3. Step 3: Cross multiply
    1,144,811,374.56x = 1,579,853,885.76 × 643,129,741.35
  4. Step 4: Simplify right side
    1,144,811,374.56x = 1,016,051,020,919,621,248
  5. Step 5: Solve for x
    x = 1,016,051,020,919,621,248/1,144,811,374.56
  6. Step 6: Final answer
    x = 887,527,014.06

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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.