Home / 28,257,984,000.40-42,386,976,000.60-8,626,128,307.60

Finding the Fourth Proportional to 28,257,984,000.40, 42,386,976,000.60 and 8,626,128,307.60

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Solution

The fourth proportional to 28,257,984,000.40, 42,386,976,000.60 and 8,626,128,307.60 is: 12,939,192,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257,984,000.40 : 42,386,976,000.60 = 8,626,128,307.60 : x
  2. Step 2: Convert to fraction form
    28,257,984,000.40/42,386,976,000.60 = 8,626,128,307.60/x
  3. Step 3: Cross multiply
    28,257,984,000.40x = 42,386,976,000.60 × 8,626,128,307.60
  4. Step 4: Simplify right side
    28,257,984,000.40x = 365,635,493,552,337,518,592
  5. Step 5: Solve for x
    x = 365,635,493,552,337,518,592/28,257,984,000.40
  6. Step 6: Final answer
    x = 12,939,192,461.40

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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.