Home / 779,343,446.70-1,075,494,158.46-426,931,965.68

Finding the Fourth Proportional to 779,343,446.70, 1,075,494,158.46 and 426,931,965.68

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Solution

The fourth proportional to 779,343,446.70, 1,075,494,158.46 and 426,931,965.68 is: 589,166,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,343,446.70 : 1,075,494,158.46 = 426,931,965.68 : x
  2. Step 2: Convert to fraction form
    779,343,446.70/1,075,494,158.46 = 426,931,965.68/x
  3. Step 3: Cross multiply
    779,343,446.70x = 1,075,494,158.46 × 426,931,965.68
  4. Step 4: Simplify right side
    779,343,446.70x = 459,162,835,143,307,776
  5. Step 5: Solve for x
    x = 459,162,835,143,307,776/779,343,446.70
  6. Step 6: Final answer
    x = 589,166,223.30

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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.