Home / 668,737,809.60-1,003,106,714.40-597,312,139.20

Finding the Fourth Proportional to 668,737,809.60, 1,003,106,714.40 and 597,312,139.20

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Solution

The fourth proportional to 668,737,809.60, 1,003,106,714.40 and 597,312,139.20 is: 895,968,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,737,809.60 : 1,003,106,714.40 = 597,312,139.20 : x
  2. Step 2: Convert to fraction form
    668,737,809.60/1,003,106,714.40 = 597,312,139.20/x
  3. Step 3: Cross multiply
    668,737,809.60x = 1,003,106,714.40 × 597,312,139.20
  4. Step 4: Simplify right side
    668,737,809.60x = 599,167,817,424,147,456
  5. Step 5: Solve for x
    x = 599,167,817,424,147,456/668,737,809.60
  6. Step 6: Final answer
    x = 895,968,208.80

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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.