Home / 514,920,413.40-771,783,423.30-208,011,024.60

Finding the Fourth Proportional to 514,920,413.40, 771,783,423.30 and 208,011,024.60

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Solution

The fourth proportional to 514,920,413.40, 771,783,423.30 and 208,011,024.60 is: 311,775,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,920,413.40 : 771,783,423.30 = 208,011,024.60 : x
  2. Step 2: Convert to fraction form
    514,920,413.40/771,783,423.30 = 208,011,024.60/x
  3. Step 3: Cross multiply
    514,920,413.40x = 771,783,423.30 × 208,011,024.60
  4. Step 4: Simplify right side
    514,920,413.40x = 160,539,460,649,928,512
  5. Step 5: Solve for x
    x = 160,539,460,649,928,512/514,920,413.40
  6. Step 6: Final answer
    x = 311,775,288.90

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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.