Home / 1,111,385,586.63-1,667,231,681.22-645,266,527.95

Finding the Fourth Proportional to 1,111,385,586.63, 1,667,231,681.22 and 645,266,527.95

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Solution

The fourth proportional to 1,111,385,586.63, 1,667,231,681.22 and 645,266,527.95 is: 967,988,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,385,586.63 : 1,667,231,681.22 = 645,266,527.95 : x
  2. Step 2: Convert to fraction form
    1,111,385,586.63/1,667,231,681.22 = 645,266,527.95/x
  3. Step 3: Cross multiply
    1,111,385,586.63x = 1,667,231,681.22 × 645,266,527.95
  4. Step 4: Simplify right side
    1,111,385,586.63x = 1,075,808,798,229,070,720
  5. Step 5: Solve for x
    x = 1,075,808,798,229,070,720/1,111,385,586.63
  6. Step 6: Final answer
    x = 967,988,798.10

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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.