Home / 651,775,281.94-899,466,935.94-354,434,914.40

Finding the Fourth Proportional to 651,775,281.94, 899,466,935.94 and 354,434,914.40

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Solution

The fourth proportional to 651,775,281.94, 899,466,935.94 and 354,434,914.40 is: 489,129,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,775,281.94 : 899,466,935.94 = 354,434,914.40 : x
  2. Step 2: Convert to fraction form
    651,775,281.94/899,466,935.94 = 354,434,914.40/x
  3. Step 3: Cross multiply
    651,775,281.94x = 899,466,935.94 × 354,434,914.40
  4. Step 4: Simplify right side
    651,775,281.94x = 318,802,486,445,524,160
  5. Step 5: Solve for x
    x = 318,802,486,445,524,160/651,775,281.94
  6. Step 6: Final answer
    x = 489,129,451.94

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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.