Home / 30,233,088,011.70-45,349,632,017.55-18,478,463,397.30

Finding the Fourth Proportional to 30,233,088,011.70, 45,349,632,017.55 and 18,478,463,397.30

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Solution

The fourth proportional to 30,233,088,011.70, 45,349,632,017.55 and 18,478,463,397.30 is: 27,717,695,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,088,011.70 : 45,349,632,017.55 = 18,478,463,397.30 : x
  2. Step 2: Convert to fraction form
    30,233,088,011.70/45,349,632,017.55 = 18,478,463,397.30/x
  3. Step 3: Cross multiply
    30,233,088,011.70x = 45,349,632,017.55 × 18,478,463,397.30
  4. Step 4: Simplify right side
    30,233,088,011.70x = 837,991,515,317,321,859,072
  5. Step 5: Solve for x
    x = 837,991,515,317,321,859,072/30,233,088,011.70
  6. Step 6: Final answer
    x = 27,717,695,095.95

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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.