Home / 359,435,999.20-539,153,998.80-355,852,818.40

Finding the Fourth Proportional to 359,435,999.20, 539,153,998.80 and 355,852,818.40

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Solution

The fourth proportional to 359,435,999.20, 539,153,998.80 and 355,852,818.40 is: 533,779,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,435,999.20 : 539,153,998.80 = 355,852,818.40 : x
  2. Step 2: Convert to fraction form
    359,435,999.20/539,153,998.80 = 355,852,818.40/x
  3. Step 3: Cross multiply
    359,435,999.20x = 539,153,998.80 × 355,852,818.40
  4. Step 4: Simplify right side
    359,435,999.20x = 191,859,470,024,610,176
  5. Step 5: Solve for x
    x = 191,859,470,024,610,176/359,435,999.20
  6. Step 6: Final answer
    x = 533,779,227.60

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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.