Home / 30,136,767,342.40-45,205,151,013.60-9,175,033,691.20

Finding the Fourth Proportional to 30,136,767,342.40, 45,205,151,013.60 and 9,175,033,691.20

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Solution

The fourth proportional to 30,136,767,342.40, 45,205,151,013.60 and 9,175,033,691.20 is: 13,762,550,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,767,342.40 : 45,205,151,013.60 = 9,175,033,691.20 : x
  2. Step 2: Convert to fraction form
    30,136,767,342.40/45,205,151,013.60 = 9,175,033,691.20/x
  3. Step 3: Cross multiply
    30,136,767,342.40x = 45,205,151,013.60 × 9,175,033,691.20
  4. Step 4: Simplify right side
    30,136,767,342.40x = 414,758,783,565,563,822,080
  5. Step 5: Solve for x
    x = 414,758,783,565,563,822,080/30,136,767,342.40
  6. Step 6: Final answer
    x = 13,762,550,536.80

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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.