Home / 384,210,239.40-531,103,718.16-342,804,686.94

Finding the Fourth Proportional to 384,210,239.40, 531,103,718.16 and 342,804,686.94

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Solution

The fourth proportional to 384,210,239.40, 531,103,718.16 and 342,804,686.94 is: 473,867,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,210,239.40 : 531,103,718.16 = 342,804,686.94 : x
  2. Step 2: Convert to fraction form
    384,210,239.40/531,103,718.16 = 342,804,686.94/x
  3. Step 3: Cross multiply
    384,210,239.40x = 531,103,718.16 × 342,804,686.94
  4. Step 4: Simplify right side
    384,210,239.40x = 182,064,843,836,508,800
  5. Step 5: Solve for x
    x = 182,064,843,836,508,800/384,210,239.40
  6. Step 6: Final answer
    x = 473,867,755.64

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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.