Finding the Fourth Proportional to 539,317,430.99, 744,046,294.37 and 313,217,925.77
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Solution
The fourth proportional to 539,317,430.99, 744,046,294.37 and 313,217,925.77 is: 432,117,754.05
Step by Step Solution
- Step 1: Write the proportion equation
539,317,430.99 : 744,046,294.37 = 313,217,925.77 : x - Step 2: Convert to fraction form
539,317,430.99/744,046,294.37 = 313,217,925.77/x - Step 3: Cross multiply
539,317,430.99x = 744,046,294.37 × 313,217,925.77 - Step 4: Simplify right side
539,317,430.99x = 233,048,637,001,471,936 - Step 5: Solve for x
x = 233,048,637,001,471,936/539,317,430.99 - Step 6: Final answer
x = 432,117,754.05
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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.