Home / 10,059,129,619.40-15,088,694,429.10-9,990,254,865.80

Finding the Fourth Proportional to 10,059,129,619.40, 15,088,694,429.10 and 9,990,254,865.80

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Solution

The fourth proportional to 10,059,129,619.40, 15,088,694,429.10 and 9,990,254,865.80 is: 14,985,382,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059,129,619.40 : 15,088,694,429.10 = 9,990,254,865.80 : x
  2. Step 2: Convert to fraction form
    10,059,129,619.40/15,088,694,429.10 = 9,990,254,865.80/x
  3. Step 3: Cross multiply
    10,059,129,619.40x = 15,088,694,429.10 × 9,990,254,865.80
  4. Step 4: Simplify right side
    10,059,129,619.40x = 150,739,902,938,885,619,712
  5. Step 5: Solve for x
    x = 150,739,902,938,885,619,712/10,059,129,619.40
  6. Step 6: Final answer
    x = 14,985,382,298.70

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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.