Home / 19,131,898,496.40-28,697,847,744.60-16,514,657,859.60

Finding the Fourth Proportional to 19,131,898,496.40, 28,697,847,744.60 and 16,514,657,859.60

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Solution

The fourth proportional to 19,131,898,496.40, 28,697,847,744.60 and 16,514,657,859.60 is: 24,771,986,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,898,496.40 : 28,697,847,744.60 = 16,514,657,859.60 : x
  2. Step 2: Convert to fraction form
    19,131,898,496.40/28,697,847,744.60 = 16,514,657,859.60/x
  3. Step 3: Cross multiply
    19,131,898,496.40x = 28,697,847,744.60 × 16,514,657,859.60
  4. Step 4: Simplify right side
    19,131,898,496.40x = 473,935,136,808,962,490,368
  5. Step 5: Solve for x
    x = 473,935,136,808,962,490,368/19,131,898,496.40
  6. Step 6: Final answer
    x = 24,771,986,789.40

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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.