Home / 30,215,592,809.10-45,323,389,213.65-17,154,898,793.10

Finding the Fourth Proportional to 30,215,592,809.10, 45,323,389,213.65 and 17,154,898,793.10

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Solution

The fourth proportional to 30,215,592,809.10, 45,323,389,213.65 and 17,154,898,793.10 is: 25,732,348,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,592,809.10 : 45,323,389,213.65 = 17,154,898,793.10 : x
  2. Step 2: Convert to fraction form
    30,215,592,809.10/45,323,389,213.65 = 17,154,898,793.10/x
  3. Step 3: Cross multiply
    30,215,592,809.10x = 45,323,389,213.65 × 17,154,898,793.10
  4. Step 4: Simplify right side
    30,215,592,809.10x = 777,518,154,920,446,001,152
  5. Step 5: Solve for x
    x = 777,518,154,920,446,001,152/30,215,592,809.10
  6. Step 6: Final answer
    x = 25,732,348,189.65

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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.