Home / 672,408,865.40-1,008,613,298.10-536,359,969.40

Finding the Fourth Proportional to 672,408,865.40, 1,008,613,298.10 and 536,359,969.40

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Solution

The fourth proportional to 672,408,865.40, 1,008,613,298.10 and 536,359,969.40 is: 804,539,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,408,865.40 : 1,008,613,298.10 = 536,359,969.40 : x
  2. Step 2: Convert to fraction form
    672,408,865.40/1,008,613,298.10 = 536,359,969.40/x
  3. Step 3: Cross multiply
    672,408,865.40x = 1,008,613,298.10 × 536,359,969.40
  4. Step 4: Simplify right side
    672,408,865.40x = 540,979,797,705,349,056
  5. Step 5: Solve for x
    x = 540,979,797,705,349,056/672,408,865.40
  6. Step 6: Final answer
    x = 804,539,954.10

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1.5x scale

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.