Home / 739,599,300.66-1,020,679,118.16-409,574,439.66

Finding the Fourth Proportional to 739,599,300.66, 1,020,679,118.16 and 409,574,439.66

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Solution

The fourth proportional to 739,599,300.66, 1,020,679,118.16 and 409,574,439.66 is: 565,230,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,599,300.66 : 1,020,679,118.16 = 409,574,439.66 : x
  2. Step 2: Convert to fraction form
    739,599,300.66/1,020,679,118.16 = 409,574,439.66/x
  3. Step 3: Cross multiply
    739,599,300.66x = 1,020,679,118.16 × 409,574,439.66
  4. Step 4: Simplify right side
    739,599,300.66x = 418,044,077,893,044,928
  5. Step 5: Solve for x
    x = 418,044,077,893,044,928/739,599,300.66
  6. Step 6: Final answer
    x = 565,230,493.76

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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.