Home / 1,185,849,855.30-1,636,472,955.45-657,247,968.90

Finding the Fourth Proportional to 1,185,849,855.30, 1,636,472,955.45 and 657,247,968.90

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Solution

The fourth proportional to 1,185,849,855.30, 1,636,472,955.45 and 657,247,968.90 is: 907,002,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,855.30 : 1,636,472,955.45 = 657,247,968.90 : x
  2. Step 2: Convert to fraction form
    1,185,849,855.30/1,636,472,955.45 = 657,247,968.90/x
  3. Step 3: Cross multiply
    1,185,849,855.30x = 1,636,472,955.45 × 657,247,968.90
  4. Step 4: Simplify right side
    1,185,849,855.30x = 1,075,568,526,129,292,672
  5. Step 5: Solve for x
    x = 1,075,568,526,129,292,672/1,185,849,855.30
  6. Step 6: Final answer
    x = 907,002,283.06

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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.