Home / 519,048,686.80-778,573,030.20-458,582,510.80

Finding the Fourth Proportional to 519,048,686.80, 778,573,030.20 and 458,582,510.80

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Solution

The fourth proportional to 519,048,686.80, 778,573,030.20 and 458,582,510.80 is: 687,873,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,686.80 : 778,573,030.20 = 458,582,510.80 : x
  2. Step 2: Convert to fraction form
    519,048,686.80/778,573,030.20 = 458,582,510.80/x
  3. Step 3: Cross multiply
    519,048,686.80x = 778,573,030.20 × 458,582,510.80
  4. Step 4: Simplify right side
    519,048,686.80x = 357,039,975,030,280,256
  5. Step 5: Solve for x
    x = 357,039,975,030,280,256/519,048,686.80
  6. Step 6: Final answer
    x = 687,873,766.20

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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.