Home / 623,437,772.84-860,343,565-351,915,409.53

Finding the Fourth Proportional to 623,437,772.84, 860,343,565 and 351,915,409.53

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Solution

The fourth proportional to 623,437,772.84, 860,343,565 and 351,915,409.53 is: 485,642,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,437,772.84 : 860,343,565 = 351,915,409.53 : x
  2. Step 2: Convert to fraction form
    623,437,772.84/860,343,565 = 351,915,409.53/x
  3. Step 3: Cross multiply
    623,437,772.84x = 860,343,565 × 351,915,409.53
  4. Step 4: Simplify right side
    623,437,772.84x = 302,768,158,013,475,136
  5. Step 5: Solve for x
    x = 302,768,158,013,475,136/623,437,772.84
  6. Step 6: Final answer
    x = 485,642,948.19

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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.