Home / 519,168,056.40-778,752,084.60-314,926,750.80

Finding the Fourth Proportional to 519,168,056.40, 778,752,084.60 and 314,926,750.80

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Solution

The fourth proportional to 519,168,056.40, 778,752,084.60 and 314,926,750.80 is: 472,390,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,168,056.40 : 778,752,084.60 = 314,926,750.80 : x
  2. Step 2: Convert to fraction form
    519,168,056.40/778,752,084.60 = 314,926,750.80/x
  3. Step 3: Cross multiply
    519,168,056.40x = 778,752,084.60 × 314,926,750.80
  4. Step 4: Simplify right side
    519,168,056.40x = 245,249,863,681,804,736
  5. Step 5: Solve for x
    x = 245,249,863,681,804,736/519,168,056.40
  6. Step 6: Final answer
    x = 472,390,126.20

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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.