Home / 30,136,767,344.90-45,205,151,017.35-9,175,033,693.70

Finding the Fourth Proportional to 30,136,767,344.90, 45,205,151,017.35 and 9,175,033,693.70

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Solution

The fourth proportional to 30,136,767,344.90, 45,205,151,017.35 and 9,175,033,693.70 is: 13,762,550,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,767,344.90 : 45,205,151,017.35 = 9,175,033,693.70 : x
  2. Step 2: Convert to fraction form
    30,136,767,344.90/45,205,151,017.35 = 9,175,033,693.70/x
  3. Step 3: Cross multiply
    30,136,767,344.90x = 45,205,151,017.35 × 9,175,033,693.70
  4. Step 4: Simplify right side
    30,136,767,344.90x = 414,758,783,712,983,121,920
  5. Step 5: Solve for x
    x = 414,758,783,712,983,121,920/30,136,767,344.90
  6. Step 6: Final answer
    x = 13,762,550,540.55

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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.