Finding the Fourth Proportional to 403,572,931,521.90, 605,359,979,904.20 and 164,807,580,582.27
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Solution
The fourth proportional to 403,572,931,521.90, 605,359,979,904.20 and 164,807,580,582.27 is: 247,211,608,799.21
Step by Step Solution
- Step 1: Write the proportion equation
403,572,931,521.90 : 605,359,979,904.20 = 164,807,580,582.27 : x - Step 2: Convert to fraction form
403,572,931,521.90/605,359,979,904.20 = 164,807,580,582.27/x - Step 3: Cross multiply
403,572,931,521.90x = 605,359,979,904.20 × 164,807,580,582.27 - Step 4: Simplify right side
403,572,931,521.90x = 99,767,913,669,342,779,146,240 - Step 5: Solve for x
x = 99,767,913,669,342,779,146,240/403,572,931,521.90 - Step 6: Final answer
x = 247,211,608,799.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.