Finding the Fourth Proportional to 7,557,804,545.21, 10,429,774,762.16 and 4,216,302,831.23
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Solution
The fourth proportional to 7,557,804,545.21, 10,429,774,762.16 and 4,216,302,831.23 is: 5,818,500,411.82
Step by Step Solution
- Step 1: Write the proportion equation
7,557,804,545.21 : 10,429,774,762.16 = 4,216,302,831.23 : x - Step 2: Convert to fraction form
7,557,804,545.21/10,429,774,762.16 = 4,216,302,831.23/x - Step 3: Cross multiply
7,557,804,545.21x = 10,429,774,762.16 × 4,216,302,831.23 - Step 4: Simplify right side
7,557,804,545.21x = 43,975,088,858,786,406,400 - Step 5: Solve for x
x = 43,975,088,858,786,406,400/7,557,804,545.21 - Step 6: Final answer
x = 5,818,500,411.82
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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.