Home / 586,368,838.80-879,553,258.20-379,440,147.60

Finding the Fourth Proportional to 586,368,838.80, 879,553,258.20 and 379,440,147.60

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Solution

The fourth proportional to 586,368,838.80, 879,553,258.20 and 379,440,147.60 is: 569,160,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,368,838.80 : 879,553,258.20 = 379,440,147.60 : x
  2. Step 2: Convert to fraction form
    586,368,838.80/879,553,258.20 = 379,440,147.60/x
  3. Step 3: Cross multiply
    586,368,838.80x = 879,553,258.20 × 379,440,147.60
  4. Step 4: Simplify right side
    586,368,838.80x = 333,737,818,113,468,928
  5. Step 5: Solve for x
    x = 333,737,818,113,468,928/586,368,838.80
  6. Step 6: Final answer
    x = 569,160,221.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.