Home / 384,239,118.64-530,254,261.40-208,030,953.84

Finding the Fourth Proportional to 384,239,118.64, 530,254,261.40 and 208,030,953.84

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Solution

The fourth proportional to 384,239,118.64, 530,254,261.40 and 208,030,953.84 is: 287,085,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,239,118.64 : 530,254,261.40 = 208,030,953.84 : x
  2. Step 2: Convert to fraction form
    384,239,118.64/530,254,261.40 = 208,030,953.84/x
  3. Step 3: Cross multiply
    384,239,118.64x = 530,254,261.40 × 208,030,953.84
  4. Step 4: Simplify right side
    384,239,118.64x = 110,309,299,776,766,688
  5. Step 5: Solve for x
    x = 110,309,299,776,766,688/384,239,118.64
  6. Step 6: Final answer
    x = 287,085,032.28

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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.