Home / 743,144,713.20-1,114,717,069.80-498,256,700.40

Finding the Fourth Proportional to 743,144,713.20, 1,114,717,069.80 and 498,256,700.40

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Solution

The fourth proportional to 743,144,713.20, 1,114,717,069.80 and 498,256,700.40 is: 747,385,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,144,713.20 : 1,114,717,069.80 = 498,256,700.40 : x
  2. Step 2: Convert to fraction form
    743,144,713.20/1,114,717,069.80 = 498,256,700.40/x
  3. Step 3: Cross multiply
    743,144,713.20x = 1,114,717,069.80 × 498,256,700.40
  4. Step 4: Simplify right side
    743,144,713.20x = 555,415,249,078,104,448
  5. Step 5: Solve for x
    x = 555,415,249,078,104,448/743,144,713.20
  6. Step 6: Final answer
    x = 747,385,050.60

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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.