Home / 289,626,547.20-434,439,820.80-232,230,919.20

Finding the Fourth Proportional to 289,626,547.20, 434,439,820.80 and 232,230,919.20

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Solution

The fourth proportional to 289,626,547.20, 434,439,820.80 and 232,230,919.20 is: 348,346,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,626,547.20 : 434,439,820.80 = 232,230,919.20 : x
  2. Step 2: Convert to fraction form
    289,626,547.20/434,439,820.80 = 232,230,919.20/x
  3. Step 3: Cross multiply
    289,626,547.20x = 434,439,820.80 × 232,230,919.20
  4. Step 4: Simplify right side
    289,626,547.20x = 100,890,358,921,467,280
  5. Step 5: Solve for x
    x = 100,890,358,921,467,280/289,626,547.20
  6. Step 6: Final answer
    x = 348,346,378.80

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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.