Home / 317,422,493.16-438,044,055.71-176,293,688.24

Finding the Fourth Proportional to 317,422,493.16, 438,044,055.71 and 176,293,688.24

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Solution

The fourth proportional to 317,422,493.16, 438,044,055.71 and 176,293,688.24 is: 243,285,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,422,493.16 : 438,044,055.71 = 176,293,688.24 : x
  2. Step 2: Convert to fraction form
    317,422,493.16/438,044,055.71 = 176,293,688.24/x
  3. Step 3: Cross multiply
    317,422,493.16x = 438,044,055.71 × 176,293,688.24
  4. Step 4: Simplify right side
    317,422,493.16x = 77,224,402,190,471,376
  5. Step 5: Solve for x
    x = 77,224,402,190,471,376/317,422,493.16
  6. Step 6: Final answer
    x = 243,285,853.57

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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.