Finding the Fourth Proportional to 513,124,582.73, 708,084,652.02 and 290,092,929.71
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Solution
The fourth proportional to 513,124,582.73, 708,084,652.02 and 290,092,929.71 is: 400,312,824.80
Step by Step Solution
- Step 1: Write the proportion equation
513,124,582.73 : 708,084,652.02 = 290,092,929.71 : x - Step 2: Convert to fraction form
513,124,582.73/708,084,652.02 = 290,092,929.71/x - Step 3: Cross multiply
513,124,582.73x = 708,084,652.02 × 290,092,929.71 - Step 4: Simplify right side
513,124,582.73x = 205,410,351,187,167,648 - Step 5: Solve for x
x = 205,410,351,187,167,648/513,124,582.73 - Step 6: Final answer
x = 400,312,824.80
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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.