Home / 19,126,479,508.74-26,403,005,320.11-12,355,599,482.91

Finding the Fourth Proportional to 19,126,479,508.74, 26,403,005,320.11 and 12,355,599,482.91

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Solution

The fourth proportional to 19,126,479,508.74, 26,403,005,320.11 and 12,355,599,482.91 is: 17,056,194,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126,479,508.74 : 26,403,005,320.11 = 12,355,599,482.91 : x
  2. Step 2: Convert to fraction form
    19,126,479,508.74/26,403,005,320.11 = 12,355,599,482.91/x
  3. Step 3: Cross multiply
    19,126,479,508.74x = 26,403,005,320.11 × 12,355,599,482.91
  4. Step 4: Simplify right side
    19,126,479,508.74x = 326,224,958,880,421,117,952
  5. Step 5: Solve for x
    x = 326,224,958,880,421,117,952/19,126,479,508.74
  6. Step 6: Final answer
    x = 17,056,194,723.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.