Finding the Fourth Proportional to 5,559,312,430.60, 8,338,961,603.45 and 1,418,756,047.36
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Solution
The fourth proportional to 5,559,312,430.60, 8,338,961,603.45 and 1,418,756,047.36 is: 2,128,132,273.78
Step by Step Solution
- Step 1: Write the proportion equation
5,559,312,430.60 : 8,338,961,603.45 = 1,418,756,047.36 : x - Step 2: Convert to fraction form
5,559,312,430.60/8,338,961,603.45 = 1,418,756,047.36/x - Step 3: Cross multiply
5,559,312,430.60x = 8,338,961,603.45 × 1,418,756,047.36 - Step 4: Simplify right side
5,559,312,430.60x = 11,830,952,203,580,370,944 - Step 5: Solve for x
x = 11,830,952,203,580,370,944/5,559,312,430.60 - Step 6: Final answer
x = 2,128,132,273.78
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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.