Home / 30,811,870,376.80-46,185,548,197.86-12,894,514,567.20

Finding the Fourth Proportional to 30,811,870,376.80, 46,185,548,197.86 and 12,894,514,567.20

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Solution

The fourth proportional to 30,811,870,376.80, 46,185,548,197.86 and 12,894,514,567.20 is: 19,328,272,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,811,870,376.80 : 46,185,548,197.86 = 12,894,514,567.20 : x
  2. Step 2: Convert to fraction form
    30,811,870,376.80/46,185,548,197.86 = 12,894,514,567.20/x
  3. Step 3: Cross multiply
    30,811,870,376.80x = 46,185,548,197.86 × 12,894,514,567.20
  4. Step 4: Simplify right side
    30,811,870,376.80x = 595,540,224,031,423,463,424
  5. Step 5: Solve for x
    x = 595,540,224,031,423,463,424/30,811,870,376.80
  6. Step 6: Final answer
    x = 19,328,272,407.63

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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.