Home / 1,605,550,055.03-2,215,674,186.21-900,717,165.47

Finding the Fourth Proportional to 1,605,550,055.03, 2,215,674,186.21 and 900,717,165.47

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Solution

The fourth proportional to 1,605,550,055.03, 2,215,674,186.21 and 900,717,165.47 is: 1,242,998,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,550,055.03 : 2,215,674,186.21 = 900,717,165.47 : x
  2. Step 2: Convert to fraction form
    1,605,550,055.03/2,215,674,186.21 = 900,717,165.47/x
  3. Step 3: Cross multiply
    1,605,550,055.03x = 2,215,674,186.21 × 900,717,165.47
  4. Step 4: Simplify right side
    1,605,550,055.03x = 1,995,695,772,608,120,320
  5. Step 5: Solve for x
    x = 1,995,695,772,608,120,320/1,605,550,055.03
  6. Step 6: Final answer
    x = 1,242,998,165.24

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Double scale
Find fourth proportional to 1,605,550,056.03, 2,215,674,187.59 and 900,717,166.47
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1.5x scale

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.