Home / 252,407,341,430.28-378,634,287,068.15-82,427,821,319.93

Finding the Fourth Proportional to 252,407,341,430.28, 378,634,287,068.15 and 82,427,821,319.93

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Solution

The fourth proportional to 252,407,341,430.28, 378,634,287,068.15 and 82,427,821,319.93 is: 123,649,332,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,407,341,430.28 : 378,634,287,068.15 = 82,427,821,319.93 : x
  2. Step 2: Convert to fraction form
    252,407,341,430.28/378,634,287,068.15 = 82,427,821,319.93/x
  3. Step 3: Cross multiply
    252,407,341,430.28x = 378,634,287,068.15 × 82,427,821,319.93
  4. Step 4: Simplify right side
    252,407,341,430.28x = 31,209,999,360,050,658,803,712
  5. Step 5: Solve for x
    x = 31,209,999,360,050,658,803,712/252,407,341,430.28
  6. Step 6: Final answer
    x = 123,649,332,793.56

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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.