Home / 7,549,005,129.82-10,417,638,558.29-4,207,431,667.66

Finding the Fourth Proportional to 7,549,005,129.82, 10,417,638,558.29 and 4,207,431,667.66

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Solution

The fourth proportional to 7,549,005,129.82, 10,417,638,558.29 and 4,207,431,667.66 is: 5,806,262,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549,005,129.82 : 10,417,638,558.29 = 4,207,431,667.66 : x
  2. Step 2: Convert to fraction form
    7,549,005,129.82/10,417,638,558.29 = 4,207,431,667.66/x
  3. Step 3: Cross multiply
    7,549,005,129.82x = 10,417,638,558.29 × 4,207,431,667.66
  4. Step 4: Simplify right side
    7,549,005,129.82x = 43,831,502,372,338,130,944
  5. Step 5: Solve for x
    x = 43,831,502,372,338,130,944/7,549,005,129.82
  6. Step 6: Final answer
    x = 5,806,262,099.25

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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.