Home / 317,851,398.47-438,671,255.38-176,736,688.76

Finding the Fourth Proportional to 317,851,398.47, 438,671,255.38 and 176,736,688.76

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Solution

The fourth proportional to 317,851,398.47, 438,671,255.38 and 176,736,688.76 is: 243,916,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,851,398.47 : 438,671,255.38 = 176,736,688.76 : x
  2. Step 2: Convert to fraction form
    317,851,398.47/438,671,255.38 = 176,736,688.76/x
  3. Step 3: Cross multiply
    317,851,398.47x = 438,671,255.38 × 176,736,688.76
  4. Step 4: Simplify right side
    317,851,398.47x = 77,529,305,130,708,368
  5. Step 5: Solve for x
    x = 77,529,305,130,708,368/317,851,398.47
  6. Step 6: Final answer
    x = 243,916,828.75

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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.