Home / 587,630,687.40-881,446,031.10-315,532,895.40

Finding the Fourth Proportional to 587,630,687.40, 881,446,031.10 and 315,532,895.40

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Solution

The fourth proportional to 587,630,687.40, 881,446,031.10 and 315,532,895.40 is: 473,299,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,630,687.40 : 881,446,031.10 = 315,532,895.40 : x
  2. Step 2: Convert to fraction form
    587,630,687.40/881,446,031.10 = 315,532,895.40/x
  3. Step 3: Cross multiply
    587,630,687.40x = 881,446,031.10 × 315,532,895.40
  4. Step 4: Simplify right side
    587,630,687.40x = 278,125,218,331,821,440
  5. Step 5: Solve for x
    x = 278,125,218,331,821,440/587,630,687.40
  6. Step 6: Final answer
    x = 473,299,343.10

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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.