Home / 1,687,579,720.11-2,328,639,162.98-973,141,661.16

Finding the Fourth Proportional to 1,687,579,720.11, 2,328,639,162.98 and 973,141,661.16

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Solution

The fourth proportional to 1,687,579,720.11, 2,328,639,162.98 and 973,141,661.16 is: 1,342,808,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,579,720.11 : 2,328,639,162.98 = 973,141,661.16 : x
  2. Step 2: Convert to fraction form
    1,687,579,720.11/2,328,639,162.98 = 973,141,661.16/x
  3. Step 3: Cross multiply
    1,687,579,720.11x = 2,328,639,162.98 × 973,141,661.16
  4. Step 4: Simplify right side
    1,687,579,720.11x = 2,266,095,783,299,723,264
  5. Step 5: Solve for x
    x = 2,266,095,783,299,723,264/1,687,579,720.11
  6. Step 6: Final answer
    x = 1,342,808,138.96

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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.