Home / 779,294,601.60-1,075,388,334.48-426,872,155.92

Finding the Fourth Proportional to 779,294,601.60, 1,075,388,334.48 and 426,872,155.92

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Solution

The fourth proportional to 779,294,601.60, 1,075,388,334.48 and 426,872,155.92 is: 589,062,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,294,601.60 : 1,075,388,334.48 = 426,872,155.92 : x
  2. Step 2: Convert to fraction form
    779,294,601.60/1,075,388,334.48 = 426,872,155.92/x
  3. Step 3: Cross multiply
    779,294,601.60x = 1,075,388,334.48 × 426,872,155.92
  4. Step 4: Simplify right side
    779,294,601.60x = 459,053,336,790,695,680
  5. Step 5: Solve for x
    x = 459,053,336,790,695,680/779,294,601.60
  6. Step 6: Final answer
    x = 589,062,641.84

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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.