Finding the Fourth Proportional to 5,089,432,831.27, 7,023,480,848.53 and 2,800,828,346.05
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Solution
The fourth proportional to 5,089,432,831.27, 7,023,480,848.53 and 2,800,828,346.05 is: 3,865,178,085.78
Step by Step Solution
- Step 1: Write the proportion equation
5,089,432,831.27 : 7,023,480,848.53 = 2,800,828,346.05 : x - Step 2: Convert to fraction form
5,089,432,831.27/7,023,480,848.53 = 2,800,828,346.05/x - Step 3: Cross multiply
5,089,432,831.27x = 7,023,480,848.53 × 2,800,828,346.05 - Step 4: Simplify right side
5,089,432,831.27x = 19,671,564,248,487,378,944 - Step 5: Solve for x
x = 19,671,564,248,487,378,944/5,089,432,831.27 - Step 6: Final answer
x = 3,865,178,085.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.