Home / 1,605,550,055.54-2,215,674,186.90-900,717,165.98

Finding the Fourth Proportional to 1,605,550,055.54, 2,215,674,186.90 and 900,717,165.98

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Solution

The fourth proportional to 1,605,550,055.54, 2,215,674,186.90 and 900,717,165.98 is: 1,242,998,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,550,055.54 : 2,215,674,186.90 = 900,717,165.98 : x
  2. Step 2: Convert to fraction form
    1,605,550,055.54/2,215,674,186.90 = 900,717,165.98/x
  3. Step 3: Cross multiply
    1,605,550,055.54x = 2,215,674,186.90 × 900,717,165.98
  4. Step 4: Simplify right side
    1,605,550,055.54x = 1,995,695,774,348,530,688
  5. Step 5: Solve for x
    x = 1,995,695,774,348,530,688/1,605,550,055.54
  6. Step 6: Final answer
    x = 1,242,998,165.94

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Double scale
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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.