Home / 636,018,111.37-877,692,407.32-353,754,480.44

Finding the Fourth Proportional to 636,018,111.37, 877,692,407.32 and 353,754,480.44

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Solution

The fourth proportional to 636,018,111.37, 877,692,407.32 and 353,754,480.44 is: 488,174,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,018,111.37 : 877,692,407.32 = 353,754,480.44 : x
  2. Step 2: Convert to fraction form
    636,018,111.37/877,692,407.32 = 353,754,480.44/x
  3. Step 3: Cross multiply
    636,018,111.37x = 877,692,407.32 × 353,754,480.44
  4. Step 4: Simplify right side
    636,018,111.37x = 310,487,621,537,317,248
  5. Step 5: Solve for x
    x = 310,487,621,537,317,248/636,018,111.37
  6. Step 6: Final answer
    x = 488,174,182.44

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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.