Home / 258,607,584.40-387,911,376.60-245,853,000.40

Finding the Fourth Proportional to 258,607,584.40, 387,911,376.60 and 245,853,000.40

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Solution

The fourth proportional to 258,607,584.40, 387,911,376.60 and 245,853,000.40 is: 368,779,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,607,584.40 : 387,911,376.60 = 245,853,000.40 : x
  2. Step 2: Convert to fraction form
    258,607,584.40/387,911,376.60 = 245,853,000.40/x
  3. Step 3: Cross multiply
    258,607,584.40x = 387,911,376.60 × 245,853,000.40
  4. Step 4: Simplify right side
    258,607,584.40x = 95,369,175,826,404,352
  5. Step 5: Solve for x
    x = 95,369,175,826,404,352/258,607,584.40
  6. Step 6: Final answer
    x = 368,779,500.60

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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.