Home / 1,535,476,362.80-2,118,950,998.36-830,626,606.76

Finding the Fourth Proportional to 1,535,476,362.80, 2,118,950,998.36 and 830,626,606.76

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Solution

The fourth proportional to 1,535,476,362.80, 2,118,950,998.36 and 830,626,606.76 is: 1,146,261,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,476,362.80 : 2,118,950,998.36 = 830,626,606.76 : x
  2. Step 2: Convert to fraction form
    1,535,476,362.80/2,118,950,998.36 = 830,626,606.76/x
  3. Step 3: Cross multiply
    1,535,476,362.80x = 2,118,950,998.36 × 830,626,606.76
  4. Step 4: Simplify right side
    1,535,476,362.80x = 1,760,057,077,658,480,896
  5. Step 5: Solve for x
    x = 1,760,057,077,658,480,896/1,535,476,362.80
  6. Step 6: Final answer
    x = 1,146,261,264.78

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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.