Home / 779,294,603.60-1,075,388,337.24-426,872,157.92

Finding the Fourth Proportional to 779,294,603.60, 1,075,388,337.24 and 426,872,157.92

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Solution

The fourth proportional to 779,294,603.60, 1,075,388,337.24 and 426,872,157.92 is: 589,062,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,294,603.60 : 1,075,388,337.24 = 426,872,157.92 : x
  2. Step 2: Convert to fraction form
    779,294,603.60/1,075,388,337.24 = 426,872,157.92/x
  3. Step 3: Cross multiply
    779,294,603.60x = 1,075,388,337.24 × 426,872,157.92
  4. Step 4: Simplify right side
    779,294,603.60x = 459,053,340,119,639,488
  5. Step 5: Solve for x
    x = 459,053,340,119,639,488/779,294,603.60
  6. Step 6: Final answer
    x = 589,062,644.60

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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.