Home / 476,953,669.20-715,430,503.80-258,708,565.20

Finding the Fourth Proportional to 476,953,669.20, 715,430,503.80 and 258,708,565.20

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Solution

The fourth proportional to 476,953,669.20, 715,430,503.80 and 258,708,565.20 is: 388,062,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,953,669.20 : 715,430,503.80 = 258,708,565.20 : x
  2. Step 2: Convert to fraction form
    476,953,669.20/715,430,503.80 = 258,708,565.20/x
  3. Step 3: Cross multiply
    476,953,669.20x = 715,430,503.80 × 258,708,565.20
  4. Step 4: Simplify right side
    476,953,669.20x = 185,087,999,138,411,136
  5. Step 5: Solve for x
    x = 185,087,999,138,411,136/476,953,669.20
  6. Step 6: Final answer
    x = 388,062,847.80

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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.