Home / 486,315,810.89-671,107,807.13-263,295,709.50

Finding the Fourth Proportional to 486,315,810.89, 671,107,807.13 and 263,295,709.50

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Solution

The fourth proportional to 486,315,810.89, 671,107,807.13 and 263,295,709.50 is: 363,343,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,315,810.89 : 671,107,807.13 = 263,295,709.50 : x
  2. Step 2: Convert to fraction form
    486,315,810.89/671,107,807.13 = 263,295,709.50/x
  3. Step 3: Cross multiply
    486,315,810.89x = 671,107,807.13 × 263,295,709.50
  4. Step 4: Simplify right side
    486,315,810.89x = 176,699,806,229,282,496
  5. Step 5: Solve for x
    x = 176,699,806,229,282,496/486,315,810.89
  6. Step 6: Final answer
    x = 363,343,741.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.