Home / 28,366,860,280.80-42,550,290,421.20-18,897,857,119.20

Finding the Fourth Proportional to 28,366,860,280.80, 42,550,290,421.20 and 18,897,857,119.20

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Solution

The fourth proportional to 28,366,860,280.80, 42,550,290,421.20 and 18,897,857,119.20 is: 28,346,785,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,860,280.80 : 42,550,290,421.20 = 18,897,857,119.20 : x
  2. Step 2: Convert to fraction form
    28,366,860,280.80/42,550,290,421.20 = 18,897,857,119.20/x
  3. Step 3: Cross multiply
    28,366,860,280.80x = 42,550,290,421.20 × 18,897,857,119.20
  4. Step 4: Simplify right side
    28,366,860,280.80x = 804,109,308,760,302,026,752
  5. Step 5: Solve for x
    x = 804,109,308,760,302,026,752/28,366,860,280.80
  6. Step 6: Final answer
    x = 28,346,785,678.80

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Double scale
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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.