Finding the Fourth Proportional to 657,877,681.06, 986,118,686.34 and 307,828,823.02
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Solution
The fourth proportional to 657,877,681.06, 986,118,686.34 and 307,828,823.02 is: 461,416,709.08
Step by Step Solution
- Step 1: Write the proportion equation
657,877,681.06 : 986,118,686.34 = 307,828,823.02 : x - Step 2: Convert to fraction form
657,877,681.06/986,118,686.34 = 307,828,823.02/x - Step 3: Cross multiply
657,877,681.06x = 986,118,686.34 × 307,828,823.02 - Step 4: Simplify right side
657,877,681.06x = 303,555,754,574,070,720 - Step 5: Solve for x
x = 303,555,754,574,070,720/657,877,681.06 - Step 6: Final answer
x = 461,416,709.08
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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.