Home / 1,289,439,496.74-1,779,432,531.41-732,553,101.66

Finding the Fourth Proportional to 1,289,439,496.74, 1,779,432,531.41 and 732,553,101.66

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Solution

The fourth proportional to 1,289,439,496.74, 1,779,432,531.41 and 732,553,101.66 is: 1,010,926,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,496.74 : 1,779,432,531.41 = 732,553,101.66 : x
  2. Step 2: Convert to fraction form
    1,289,439,496.74/1,779,432,531.41 = 732,553,101.66/x
  3. Step 3: Cross multiply
    1,289,439,496.74x = 1,779,432,531.41 × 732,553,101.66
  4. Step 4: Simplify right side
    1,289,439,496.74x = 1,303,528,820,079,100,928
  5. Step 5: Solve for x
    x = 1,303,528,820,079,100,928/1,289,439,496.74
  6. Step 6: Final answer
    x = 1,010,926,703.71

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Double scale
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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.