Home / 789,358,152,699.40-1,181,998,048,136.50-544,787,948,384.95

Finding the Fourth Proportional to 789,358,152,699.40, 1,181,998,048,136.50 and 544,787,948,384.95

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Solution

The fourth proportional to 789,358,152,699.40, 1,181,998,048,136.50 and 544,787,948,384.95 is: 815,774,549,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,358,152,699.40 : 1,181,998,048,136.50 = 544,787,948,384.95 : x
  2. Step 2: Convert to fraction form
    789,358,152,699.40/1,181,998,048,136.50 = 544,787,948,384.95/x
  3. Step 3: Cross multiply
    789,358,152,699.40x = 1,181,998,048,136.50 × 544,787,948,384.95
  4. Step 4: Simplify right side
    789,358,152,699.40x = 643,938,291,639,299,206,021,120
  5. Step 5: Solve for x
    x = 643,938,291,639,299,206,021,120/789,358,152,699.40
  6. Step 6: Final answer
    x = 815,774,549,787.31

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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.