Home / 779,343,438.83-1,075,494,147.59-426,931,957.80

Finding the Fourth Proportional to 779,343,438.83, 1,075,494,147.59 and 426,931,957.80

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Solution

The fourth proportional to 779,343,438.83, 1,075,494,147.59 and 426,931,957.80 is: 589,166,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,343,438.83 : 1,075,494,147.59 = 426,931,957.80 : x
  2. Step 2: Convert to fraction form
    779,343,438.83/1,075,494,147.59 = 426,931,957.80/x
  3. Step 3: Cross multiply
    779,343,438.83x = 1,075,494,147.59 × 426,931,957.80
  4. Step 4: Simplify right side
    779,343,438.83x = 459,162,822,034,108,160
  5. Step 5: Solve for x
    x = 459,162,822,034,108,160/779,343,438.83
  6. Step 6: Final answer
    x = 589,166,212.43

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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.