Finding the Fourth Proportional to 553,539,637.59, 763,886,073.38 and 302,660,218.05
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Solution
The fourth proportional to 553,539,637.59, 763,886,073.38 and 302,660,218.05 is: 417,671,851.90
Step by Step Solution
- Step 1: Write the proportion equation
553,539,637.59 : 763,886,073.38 = 302,660,218.05 : x - Step 2: Convert to fraction form
553,539,637.59/763,886,073.38 = 302,660,218.05/x - Step 3: Cross multiply
553,539,637.59x = 763,886,073.38 × 302,660,218.05 - Step 4: Simplify right side
553,539,637.59x = 231,197,925,533,035,808 - Step 5: Solve for x
x = 231,197,925,533,035,808/553,539,637.59 - Step 6: Final answer
x = 417,671,851.90
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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.