Home / 424,601,048,712.08-636,991,022,178.55-137,736,705,984.14

Finding the Fourth Proportional to 424,601,048,712.08, 636,991,022,178.55 and 137,736,705,984.14

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Solution

The fourth proportional to 424,601,048,712.08, 636,991,022,178.55 and 137,736,705,984.14 is: 206,634,075,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,601,048,712.08 : 636,991,022,178.55 = 137,736,705,984.14 : x
  2. Step 2: Convert to fraction form
    424,601,048,712.08/636,991,022,178.55 = 137,736,705,984.14/x
  3. Step 3: Cross multiply
    424,601,048,712.08x = 636,991,022,178.55 × 137,736,705,984.14
  4. Step 4: Simplify right side
    424,601,048,712.08x = 87,737,045,136,343,750,934,528
  5. Step 5: Solve for x
    x = 87,737,045,136,343,750,934,528/424,601,048,712.08
  6. Step 6: Final answer
    x = 206,634,075,451.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.