Home / 1,152,339,690.42-1,590,228,649.53-623,703,590.82

Finding the Fourth Proportional to 1,152,339,690.42, 1,590,228,649.53 and 623,703,590.82

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Solution

The fourth proportional to 1,152,339,690.42, 1,590,228,649.53 and 623,703,590.82 is: 860,710,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,339,690.42 : 1,590,228,649.53 = 623,703,590.82 : x
  2. Step 2: Convert to fraction form
    1,152,339,690.42/1,590,228,649.53 = 623,703,590.82/x
  3. Step 3: Cross multiply
    1,152,339,690.42x = 1,590,228,649.53 × 623,703,590.82
  4. Step 4: Simplify right side
    1,152,339,690.42x = 991,831,318,936,700,416
  5. Step 5: Solve for x
    x = 991,831,318,936,700,416/1,152,339,690.42
  6. Step 6: Final answer
    x = 860,710,888.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.