Home / 779,343,448.70-1,075,494,161.22-426,931,967.68

Finding the Fourth Proportional to 779,343,448.70, 1,075,494,161.22 and 426,931,967.68

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Solution

The fourth proportional to 779,343,448.70, 1,075,494,161.22 and 426,931,967.68 is: 589,166,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,343,448.70 : 1,075,494,161.22 = 426,931,967.68 : x
  2. Step 2: Convert to fraction form
    779,343,448.70/1,075,494,161.22 = 426,931,967.68/x
  3. Step 3: Cross multiply
    779,343,448.70x = 1,075,494,161.22 × 426,931,967.68
  4. Step 4: Simplify right side
    779,343,448.70x = 459,162,838,478,005,760
  5. Step 5: Solve for x
    x = 459,162,838,478,005,760/779,343,448.70
  6. Step 6: Final answer
    x = 589,166,226.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.