Home / 14,618,220,485.04-20,173,169,841.52-7,935,221,576.88

Finding the Fourth Proportional to 14,618,220,485.04, 20,173,169,841.52 and 7,935,221,576.88

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Solution

The fourth proportional to 14,618,220,485.04, 20,173,169,841.52 and 7,935,221,576.88 is: 10,950,619,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,220,485.04 : 20,173,169,841.52 = 7,935,221,576.88 : x
  2. Step 2: Convert to fraction form
    14,618,220,485.04/20,173,169,841.52 = 7,935,221,576.88/x
  3. Step 3: Cross multiply
    14,618,220,485.04x = 20,173,169,841.52 × 7,935,221,576.88
  4. Step 4: Simplify right side
    14,618,220,485.04x = 160,078,572,600,494,391,296
  5. Step 5: Solve for x
    x = 160,078,572,600,494,391,296/14,618,220,485.04
  6. Step 6: Final answer
    x = 10,950,619,657.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.