Home / 1,289,439,479.72-1,779,432,507.97-732,553,084.64

Finding the Fourth Proportional to 1,289,439,479.72, 1,779,432,507.97 and 732,553,084.64

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Solution

The fourth proportional to 1,289,439,479.72, 1,779,432,507.97 and 732,553,084.64 is: 1,010,926,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,479.72 : 1,779,432,507.97 = 732,553,084.64 : x
  2. Step 2: Convert to fraction form
    1,289,439,479.72/1,779,432,507.97 = 732,553,084.64/x
  3. Step 3: Cross multiply
    1,289,439,479.72x = 1,779,432,507.97 × 732,553,084.64
  4. Step 4: Simplify right side
    1,289,439,479.72x = 1,303,528,772,624,732,160
  5. Step 5: Solve for x
    x = 1,303,528,772,624,732,160/1,289,439,479.72
  6. Step 6: Final answer
    x = 1,010,926,680.25

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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.