Home / 286,826,848.80-430,878,002.40-275,985,452.40

Finding the Fourth Proportional to 286,826,848.80, 430,878,002.40 and 275,985,452.40

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Solution

The fourth proportional to 286,826,848.80, 430,878,002.40 and 275,985,452.40 is: 414,591,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,826,848.80 : 430,878,002.40 = 275,985,452.40 : x
  2. Step 2: Convert to fraction form
    286,826,848.80/430,878,002.40 = 275,985,452.40/x
  3. Step 3: Cross multiply
    286,826,848.80x = 430,878,002.40 × 275,985,452.40
  4. Step 4: Simplify right side
    286,826,848.80x = 118,916,060,421,572,272
  5. Step 5: Solve for x
    x = 118,916,060,421,572,272/286,826,848.80
  6. Step 6: Final answer
    x = 414,591,803.10

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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.