Home / 2,118,883,583.81-2,923,869,289.89-1,226,870,514.89

Finding the Fourth Proportional to 2,118,883,583.81, 2,923,869,289.89 and 1,226,870,514.89

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Solution

The fourth proportional to 2,118,883,583.81, 2,923,869,289.89 and 1,226,870,514.89 is: 1,692,971,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,883,583.81 : 2,923,869,289.89 = 1,226,870,514.89 : x
  2. Step 2: Convert to fraction form
    2,118,883,583.81/2,923,869,289.89 = 1,226,870,514.89/x
  3. Step 3: Cross multiply
    2,118,883,583.81x = 2,923,869,289.89 × 1,226,870,514.89
  4. Step 4: Simplify right side
    2,118,883,583.81x = 3,587,209,021,158,403,072
  5. Step 5: Solve for x
    x = 3,587,209,021,158,403,072/2,118,883,583.81
  6. Step 6: Final answer
    x = 1,692,971,264.95

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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.