Home / 1,071,291,013.42-1,478,375,657.04-601,392,210.16

Finding the Fourth Proportional to 1,071,291,013.42, 1,478,375,657.04 and 601,392,210.16

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Solution

The fourth proportional to 1,071,291,013.42, 1,478,375,657.04 and 601,392,210.16 is: 829,917,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,291,013.42 : 1,478,375,657.04 = 601,392,210.16 : x
  2. Step 2: Convert to fraction form
    1,071,291,013.42/1,478,375,657.04 = 601,392,210.16/x
  3. Step 3: Cross multiply
    1,071,291,013.42x = 1,478,375,657.04 × 601,392,210.16
  4. Step 4: Simplify right side
    1,071,291,013.42x = 889,083,603,834,027,648
  5. Step 5: Solve for x
    x = 889,083,603,834,027,648/1,071,291,013.42
  6. Step 6: Final answer
    x = 829,917,914.64

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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.