Home / 738,289,329.60-1,107,433,994.40-618,252,772.80

Finding the Fourth Proportional to 738,289,329.60, 1,107,433,994.40 and 618,252,772.80

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Solution

The fourth proportional to 738,289,329.60, 1,107,433,994.40 and 618,252,772.80 is: 927,379,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,289,329.60 : 1,107,433,994.40 = 618,252,772.80 : x
  2. Step 2: Convert to fraction form
    738,289,329.60/1,107,433,994.40 = 618,252,772.80/x
  3. Step 3: Cross multiply
    738,289,329.60x = 1,107,433,994.40 × 618,252,772.80
  4. Step 4: Simplify right side
    738,289,329.60x = 684,674,137,730,779,648
  5. Step 5: Solve for x
    x = 684,674,137,730,779,648/738,289,329.60
  6. Step 6: Final answer
    x = 927,379,159.20

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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.