Home / 384,374,039.19-530,433,345.27-208,157,946.66

Finding the Fourth Proportional to 384,374,039.19, 530,433,345.27 and 208,157,946.66

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Solution

The fourth proportional to 384,374,039.19, 530,433,345.27 and 208,157,946.66 is: 287,256,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,374,039.19 : 530,433,345.27 = 208,157,946.66 : x
  2. Step 2: Convert to fraction form
    384,374,039.19/530,433,345.27 = 208,157,946.66/x
  3. Step 3: Cross multiply
    384,374,039.19x = 530,433,345.27 × 208,157,946.66
  4. Step 4: Simplify right side
    384,374,039.19x = 110,413,915,991,398,016
  5. Step 5: Solve for x
    x = 110,413,915,991,398,016/384,374,039.19
  6. Step 6: Final answer
    x = 287,256,434.45

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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.