Home / 472,692,781.64-652,424,877.78-277,185,479.24

Finding the Fourth Proportional to 472,692,781.64, 652,424,877.78 and 277,185,479.24

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Solution

The fourth proportional to 472,692,781.64, 652,424,877.78 and 277,185,479.24 is: 382,579,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,692,781.64 : 652,424,877.78 = 277,185,479.24 : x
  2. Step 2: Convert to fraction form
    472,692,781.64/652,424,877.78 = 277,185,479.24/x
  3. Step 3: Cross multiply
    472,692,781.64x = 652,424,877.78 × 277,185,479.24
  4. Step 4: Simplify right side
    472,692,781.64x = 180,842,702,415,547,712
  5. Step 5: Solve for x
    x = 180,842,702,415,547,712/472,692,781.64
  6. Step 6: Final answer
    x = 382,579,784.25

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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.