Home / 587,636,000.40-881,454,000.60-315,538,208.40

Finding the Fourth Proportional to 587,636,000.40, 881,454,000.60 and 315,538,208.40

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Solution

The fourth proportional to 587,636,000.40, 881,454,000.60 and 315,538,208.40 is: 473,307,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,636,000.40 : 881,454,000.60 = 315,538,208.40 : x
  2. Step 2: Convert to fraction form
    587,636,000.40/881,454,000.60 = 315,538,208.40/x
  3. Step 3: Cross multiply
    587,636,000.40x = 881,454,000.60 × 315,538,208.40
  4. Step 4: Simplify right side
    587,636,000.40x = 278,132,416,136,336,512
  5. Step 5: Solve for x
    x = 278,132,416,136,336,512/587,636,000.40
  6. Step 6: Final answer
    x = 473,307,312.60

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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.