Home / 575,209,695.80-862,814,543.70-479,550,315.80

Finding the Fourth Proportional to 575,209,695.80, 862,814,543.70 and 479,550,315.80

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Solution

The fourth proportional to 575,209,695.80, 862,814,543.70 and 479,550,315.80 is: 719,325,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,209,695.80 : 862,814,543.70 = 479,550,315.80 : x
  2. Step 2: Convert to fraction form
    575,209,695.80/862,814,543.70 = 479,550,315.80/x
  3. Step 3: Cross multiply
    575,209,695.80x = 862,814,543.70 × 479,550,315.80
  4. Step 4: Simplify right side
    575,209,695.80x = 413,762,986,908,167,936
  5. Step 5: Solve for x
    x = 413,762,986,908,167,936/575,209,695.80
  6. Step 6: Final answer
    x = 719,325,473.70

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1.5x scale

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.