Home / 673,758,051.20-1,010,637,076.80-664,688,124.80

Finding the Fourth Proportional to 673,758,051.20, 1,010,637,076.80 and 664,688,124.80

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Solution

The fourth proportional to 673,758,051.20, 1,010,637,076.80 and 664,688,124.80 is: 997,032,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,758,051.20 : 1,010,637,076.80 = 664,688,124.80 : x
  2. Step 2: Convert to fraction form
    673,758,051.20/1,010,637,076.80 = 664,688,124.80/x
  3. Step 3: Cross multiply
    673,758,051.20x = 1,010,637,076.80 × 664,688,124.80
  4. Step 4: Simplify right side
    673,758,051.20x = 671,758,463,431,545,472
  5. Step 5: Solve for x
    x = 671,758,463,431,545,472/673,758,051.20
  6. Step 6: Final answer
    x = 997,032,187.20

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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.