Home / 1,115,627,176.16-1,673,455,128.05-328,501,862.45

Finding the Fourth Proportional to 1,115,627,176.16, 1,673,455,128.05 and 328,501,862.45

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Solution

The fourth proportional to 1,115,627,176.16, 1,673,455,128.05 and 328,501,862.45 is: 492,757,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,627,176.16 : 1,673,455,128.05 = 328,501,862.45 : x
  2. Step 2: Convert to fraction form
    1,115,627,176.16/1,673,455,128.05 = 328,501,862.45/x
  3. Step 3: Cross multiply
    1,115,627,176.16x = 1,673,455,128.05 × 328,501,862.45
  4. Step 4: Simplify right side
    1,115,627,176.16x = 549,733,126,289,657,728
  5. Step 5: Solve for x
    x = 549,733,126,289,657,728/1,115,627,176.16
  6. Step 6: Final answer
    x = 492,757,023.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.