Home / 435,214,327.20-652,821,490.80-289,174,340.40

Finding the Fourth Proportional to 435,214,327.20, 652,821,490.80 and 289,174,340.40

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Solution

The fourth proportional to 435,214,327.20, 652,821,490.80 and 289,174,340.40 is: 433,761,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,214,327.20 : 652,821,490.80 = 289,174,340.40 : x
  2. Step 2: Convert to fraction form
    435,214,327.20/652,821,490.80 = 289,174,340.40/x
  3. Step 3: Cross multiply
    435,214,327.20x = 652,821,490.80 × 289,174,340.40
  4. Step 4: Simplify right side
    435,214,327.20x = 188,779,224,001,034,624
  5. Step 5: Solve for x
    x = 188,779,224,001,034,624/435,214,327.20
  6. Step 6: Final answer
    x = 433,761,510.60

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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.