Home / 1,249,184,839.64-1,723,893,931.50-684,665,204.60

Finding the Fourth Proportional to 1,249,184,839.64, 1,723,893,931.50 and 684,665,204.60

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Solution

The fourth proportional to 1,249,184,839.64, 1,723,893,931.50 and 684,665,204.60 is: 944,848,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,184,839.64 : 1,723,893,931.50 = 684,665,204.60 : x
  2. Step 2: Convert to fraction form
    1,249,184,839.64/1,723,893,931.50 = 684,665,204.60/x
  3. Step 3: Cross multiply
    1,249,184,839.64x = 1,723,893,931.50 × 684,665,204.60
  4. Step 4: Simplify right side
    1,249,184,839.64x = 1,180,290,191,319,145,984
  5. Step 5: Solve for x
    x = 1,180,290,191,319,145,984/1,249,184,839.64
  6. Step 6: Final answer
    x = 944,848,315.37

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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.