Home / 318,547,668,396.90-477,896,862,008.62-103,415,794,905.50

Finding the Fourth Proportional to 318,547,668,396.90, 477,896,862,008.62 and 103,415,794,905.50

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Solution

The fourth proportional to 318,547,668,396.90, 477,896,862,008.62 and 103,415,794,905.50 is: 155,148,157,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,547,668,396.90 : 477,896,862,008.62 = 103,415,794,905.50 : x
  2. Step 2: Convert to fraction form
    318,547,668,396.90/477,896,862,008.62 = 103,415,794,905.50/x
  3. Step 3: Cross multiply
    318,547,668,396.90x = 477,896,862,008.62 × 103,415,794,905.50
  4. Step 4: Simplify right side
    318,547,668,396.90x = 49,422,083,867,465,478,045,696
  5. Step 5: Solve for x
    x = 49,422,083,867,465,478,045,696/318,547,668,396.90
  6. Step 6: Final answer
    x = 155,148,157,624.83

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1.5x scale

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.