Home / 525,784,847.61-721,783,569.69-451,316,123.89

Finding the Fourth Proportional to 525,784,847.61, 721,783,569.69 and 451,316,123.89

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Solution

The fourth proportional to 525,784,847.61, 721,783,569.69 and 451,316,123.89 is: 619,554,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,784,847.61 : 721,783,569.69 = 451,316,123.89 : x
  2. Step 2: Convert to fraction form
    525,784,847.61/721,783,569.69 = 451,316,123.89/x
  3. Step 3: Cross multiply
    525,784,847.61x = 721,783,569.69 × 451,316,123.89
  4. Step 4: Simplify right side
    525,784,847.61x = 325,752,562,962,573,184
  5. Step 5: Solve for x
    x = 325,752,562,962,573,184/525,784,847.61
  6. Step 6: Final answer
    x = 619,554,870.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.