Home / 1,018,796,544.09-1,405,930,779.34-572,761,895.54

Finding the Fourth Proportional to 1,018,796,544.09, 1,405,930,779.34 and 572,761,895.54

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Solution

The fourth proportional to 1,018,796,544.09, 1,405,930,779.34 and 572,761,895.54 is: 790,406,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,796,544.09 : 1,405,930,779.34 = 572,761,895.54 : x
  2. Step 2: Convert to fraction form
    1,018,796,544.09/1,405,930,779.34 = 572,761,895.54/x
  3. Step 3: Cross multiply
    1,018,796,544.09x = 1,405,930,779.34 × 572,761,895.54
  4. Step 4: Simplify right side
    1,018,796,544.09x = 805,263,578,172,807,808
  5. Step 5: Solve for x
    x = 805,263,578,172,807,808/1,018,796,544.09
  6. Step 6: Final answer
    x = 790,406,664.46

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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.