Home / 7,553,088,145.80-11,329,632,218.70-7,407,969,323.40

Finding the Fourth Proportional to 7,553,088,145.80, 11,329,632,218.70 and 7,407,969,323.40

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Solution

The fourth proportional to 7,553,088,145.80, 11,329,632,218.70 and 7,407,969,323.40 is: 11,111,953,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553,088,145.80 : 11,329,632,218.70 = 7,407,969,323.40 : x
  2. Step 2: Convert to fraction form
    7,553,088,145.80/11,329,632,218.70 = 7,407,969,323.40/x
  3. Step 3: Cross multiply
    7,553,088,145.80x = 11,329,632,218.70 × 7,407,969,323.40
  4. Step 4: Simplify right side
    7,553,088,145.80x = 83,929,567,921,533,878,272
  5. Step 5: Solve for x
    x = 83,929,567,921,533,878,272/7,553,088,145.80
  6. Step 6: Final answer
    x = 11,111,953,985.10

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Double scale
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Similar ratio
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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.