Finding the Fourth Proportional to 420,118,790.48, 579,814,769.55 and 239,109,781.36
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Solution
The fourth proportional to 420,118,790.48, 579,814,769.55 and 239,109,781.36 is: 330,000,433.02
Step by Step Solution
- Step 1: Write the proportion equation
420,118,790.48 : 579,814,769.55 = 239,109,781.36 : x - Step 2: Convert to fraction form
420,118,790.48/579,814,769.55 = 239,109,781.36/x - Step 3: Cross multiply
420,118,790.48x = 579,814,769.55 × 239,109,781.36 - Step 4: Simplify right side
420,118,790.48x = 138,639,382,778,680,560 - Step 5: Solve for x
x = 138,639,382,778,680,560/420,118,790.48 - Step 6: Final answer
x = 330,000,433.02
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