Home / 317,851,404.98-438,671,264.38-176,736,695.28

Finding the Fourth Proportional to 317,851,404.98, 438,671,264.38 and 176,736,695.28

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Solution

The fourth proportional to 317,851,404.98, 438,671,264.38 and 176,736,695.28 is: 243,916,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,851,404.98 : 438,671,264.38 = 176,736,695.28 : x
  2. Step 2: Convert to fraction form
    317,851,404.98/438,671,264.38 = 176,736,695.28/x
  3. Step 3: Cross multiply
    317,851,404.98x = 438,671,264.38 × 176,736,695.28
  4. Step 4: Simplify right side
    317,851,404.98x = 77,529,309,580,820,384
  5. Step 5: Solve for x
    x = 77,529,309,580,820,384/317,851,404.98
  6. Step 6: Final answer
    x = 243,916,837.76

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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.