Home / 30,240,864,007.60-45,361,296,011.40-19,792,308,794.80

Finding the Fourth Proportional to 30,240,864,007.60, 45,361,296,011.40 and 19,792,308,794.80

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Solution

The fourth proportional to 30,240,864,007.60, 45,361,296,011.40 and 19,792,308,794.80 is: 29,688,463,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,864,007.60 : 45,361,296,011.40 = 19,792,308,794.80 : x
  2. Step 2: Convert to fraction form
    30,240,864,007.60/45,361,296,011.40 = 19,792,308,794.80/x
  3. Step 3: Cross multiply
    30,240,864,007.60x = 45,361,296,011.40 × 19,792,308,794.80
  4. Step 4: Simplify right side
    30,240,864,007.60x = 897,804,777,989,958,402,048
  5. Step 5: Solve for x
    x = 897,804,777,989,958,402,048/30,240,864,007.60
  6. Step 6: Final answer
    x = 29,688,463,192.20

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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.