Home / 488,325,411.40-733,338,422.70-258,742,899.40

Finding the Fourth Proportional to 488,325,411.40, 733,338,422.70 and 258,742,899.40

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Solution

The fourth proportional to 488,325,411.40, 733,338,422.70 and 258,742,899.40 is: 388,564,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325,411.40 : 733,338,422.70 = 258,742,899.40 : x
  2. Step 2: Convert to fraction form
    488,325,411.40/733,338,422.70 = 258,742,899.40/x
  3. Step 3: Cross multiply
    488,325,411.40x = 733,338,422.70 × 258,742,899.40
  4. Step 4: Simplify right side
    488,325,411.40x = 189,746,109,730,820,800
  5. Step 5: Solve for x
    x = 189,746,109,730,820,800/488,325,411.40
  6. Step 6: Final answer
    x = 388,564,889.93

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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.