Home / 587,631,081.40-881,446,622.10-315,533,289.40

Finding the Fourth Proportional to 587,631,081.40, 881,446,622.10 and 315,533,289.40

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Solution

The fourth proportional to 587,631,081.40, 881,446,622.10 and 315,533,289.40 is: 473,299,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,631,081.40 : 881,446,622.10 = 315,533,289.40 : x
  2. Step 2: Convert to fraction form
    587,631,081.40/881,446,622.10 = 315,533,289.40/x
  3. Step 3: Cross multiply
    587,631,081.40x = 881,446,622.10 × 315,533,289.40
  4. Step 4: Simplify right side
    587,631,081.40x = 278,125,752,101,731,712
  5. Step 5: Solve for x
    x = 278,125,752,101,731,712/587,631,081.40
  6. Step 6: Final answer
    x = 473,299,934.10

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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.