Home / 587,630,678.40-881,446,017.60-315,532,886.40

Finding the Fourth Proportional to 587,630,678.40, 881,446,017.60 and 315,532,886.40

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Solution

The fourth proportional to 587,630,678.40, 881,446,017.60 and 315,532,886.40 is: 473,299,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,630,678.40 : 881,446,017.60 = 315,532,886.40 : x
  2. Step 2: Convert to fraction form
    587,630,678.40/881,446,017.60 = 315,532,886.40/x
  3. Step 3: Cross multiply
    587,630,678.40x = 881,446,017.60 × 315,532,886.40
  4. Step 4: Simplify right side
    587,630,678.40x = 278,125,206,139,113,184
  5. Step 5: Solve for x
    x = 278,125,206,139,113,184/587,630,678.40
  6. Step 6: Final answer
    x = 473,299,329.60

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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.