Home / 4,931,485,741.09-7,398,461,997.87-1,437,891,214.30

Finding the Fourth Proportional to 4,931,485,741.09, 7,398,461,997.87 and 1,437,891,214.30

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Solution

The fourth proportional to 4,931,485,741.09, 7,398,461,997.87 and 1,437,891,214.30 is: 2,157,196,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,485,741.09 : 7,398,461,997.87 = 1,437,891,214.30 : x
  2. Step 2: Convert to fraction form
    4,931,485,741.09/7,398,461,997.87 = 1,437,891,214.30/x
  3. Step 3: Cross multiply
    4,931,485,741.09x = 7,398,461,997.87 × 1,437,891,214.30
  4. Step 4: Simplify right side
    4,931,485,741.09x = 10,638,183,506,069,698,560
  5. Step 5: Solve for x
    x = 10,638,183,506,069,698,560/4,931,485,741.09
  6. Step 6: Final answer
    x = 2,157,196,444.36

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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.