Home / 1,289,439,485.22-1,779,432,515.56-732,553,090.14

Finding the Fourth Proportional to 1,289,439,485.22, 1,779,432,515.56 and 732,553,090.14

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Solution

The fourth proportional to 1,289,439,485.22, 1,779,432,515.56 and 732,553,090.14 is: 1,010,926,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,485.22 : 1,779,432,515.56 = 732,553,090.14 : x
  2. Step 2: Convert to fraction form
    1,289,439,485.22/1,779,432,515.56 = 732,553,090.14/x
  3. Step 3: Cross multiply
    1,289,439,485.22x = 1,779,432,515.56 × 732,553,090.14
  4. Step 4: Simplify right side
    1,289,439,485.22x = 1,303,528,787,971,688,704
  5. Step 5: Solve for x
    x = 1,303,528,787,971,688,704/1,289,439,485.22
  6. Step 6: Final answer
    x = 1,010,926,687.84

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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.