Home / 516,230,445,312.40-712,400,229,317.95-281,590,846,595.66

Finding the Fourth Proportional to 516,230,445,312.40, 712,400,229,317.95 and 281,590,846,595.66

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Solution

The fourth proportional to 516,230,445,312.40, 712,400,229,317.95 and 281,590,846,595.66 is: 388,596,576,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,445,312.40 : 712,400,229,317.95 = 281,590,846,595.66 : x
  2. Step 2: Convert to fraction form
    516,230,445,312.40/712,400,229,317.95 = 281,590,846,595.66/x
  3. Step 3: Cross multiply
    516,230,445,312.40x = 712,400,229,317.95 × 281,590,846,595.66
  4. Step 4: Simplify right side
    516,230,445,312.40x = 200,605,383,688,583,831,879,680
  5. Step 5: Solve for x
    x = 200,605,383,688,583,831,879,680/516,230,445,312.40
  6. Step 6: Final answer
    x = 388,596,576,413.05

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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.