Home / 651,872,007.10-977,808,010.65-498,816,999.10

Finding the Fourth Proportional to 651,872,007.10, 977,808,010.65 and 498,816,999.10

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Solution

The fourth proportional to 651,872,007.10, 977,808,010.65 and 498,816,999.10 is: 748,225,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,872,007.10 : 977,808,010.65 = 498,816,999.10 : x
  2. Step 2: Convert to fraction form
    651,872,007.10/977,808,010.65 = 498,816,999.10/x
  3. Step 3: Cross multiply
    651,872,007.10x = 977,808,010.65 × 498,816,999.10
  4. Step 4: Simplify right side
    651,872,007.10x = 487,747,257,568,373,824
  5. Step 5: Solve for x
    x = 487,747,257,568,373,824/651,872,007.10
  6. Step 6: Final answer
    x = 748,225,498.65

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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.