Home / 1,303,338,666.40-1,955,007,999.60-779,550,416.80

Finding the Fourth Proportional to 1,303,338,666.40, 1,955,007,999.60 and 779,550,416.80

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Solution

The fourth proportional to 1,303,338,666.40, 1,955,007,999.60 and 779,550,416.80 is: 1,169,325,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,338,666.40 : 1,955,007,999.60 = 779,550,416.80 : x
  2. Step 2: Convert to fraction form
    1,303,338,666.40/1,955,007,999.60 = 779,550,416.80/x
  3. Step 3: Cross multiply
    1,303,338,666.40x = 1,955,007,999.60 × 779,550,416.80
  4. Step 4: Simplify right side
    1,303,338,666.40x = 1,524,027,300,935,514,112
  5. Step 5: Solve for x
    x = 1,524,027,300,935,514,112/1,303,338,666.40
  6. Step 6: Final answer
    x = 1,169,325,625.20

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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.