Finding the Fourth Proportional to 986,313,779.01, 1,360,596,970.13 and 609,850,028.79
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Solution
The fourth proportional to 986,313,779.01, 1,360,596,970.13 and 609,850,028.79 is: 841,273,962.77
Step by Step Solution
- Step 1: Write the proportion equation
986,313,779.01 : 1,360,596,970.13 = 609,850,028.79 : x - Step 2: Convert to fraction form
986,313,779.01/1,360,596,970.13 = 609,850,028.79/x - Step 3: Cross multiply
986,313,779.01x = 1,360,596,970.13 × 609,850,028.79 - Step 4: Simplify right side
986,313,779.01x = 829,760,101,402,317,952 - Step 5: Solve for x
x = 829,760,101,402,317,952/986,313,779.01 - Step 6: Final answer
x = 841,273,962.77
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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.