Home / 21,254,658,155.73-31,882,106,416.73-7,089,585,018.93

Finding the Fourth Proportional to 21,254,658,155.73, 31,882,106,416.73 and 7,089,585,018.93

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Solution

The fourth proportional to 21,254,658,155.73, 31,882,106,416.73 and 7,089,585,018.93 is: 10,634,417,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,658,155.73 : 31,882,106,416.73 = 7,089,585,018.93 : x
  2. Step 2: Convert to fraction form
    21,254,658,155.73/31,882,106,416.73 = 7,089,585,018.93/x
  3. Step 3: Cross multiply
    21,254,658,155.73x = 31,882,106,416.73 × 7,089,585,018.93
  4. Step 4: Simplify right side
    21,254,658,155.73x = 226,030,904,023,945,576,448
  5. Step 5: Solve for x
    x = 226,030,904,023,945,576,448/21,254,658,155.73
  6. Step 6: Final answer
    x = 10,634,417,282.45

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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.