Home / 318,547,668,396.53-477,896,862,008.08-103,415,794,905.13

Finding the Fourth Proportional to 318,547,668,396.53, 477,896,862,008.08 and 103,415,794,905.13

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Solution

The fourth proportional to 318,547,668,396.53, 477,896,862,008.08 and 103,415,794,905.13 is: 155,148,157,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,547,668,396.53 : 477,896,862,008.08 = 103,415,794,905.13 : x
  2. Step 2: Convert to fraction form
    318,547,668,396.53/477,896,862,008.08 = 103,415,794,905.13/x
  3. Step 3: Cross multiply
    318,547,668,396.53x = 477,896,862,008.08 × 103,415,794,905.13
  4. Step 4: Simplify right side
    318,547,668,396.53x = 49,422,083,867,232,820,002,816
  5. Step 5: Solve for x
    x = 49,422,083,867,232,820,002,816/318,547,668,396.53
  6. Step 6: Final answer
    x = 155,148,157,624.28

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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.