Home / 971,167,613.45-1,340,210,361.76-525,129,909.33

Finding the Fourth Proportional to 971,167,613.45, 1,340,210,361.76 and 525,129,909.33

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Solution

The fourth proportional to 971,167,613.45, 1,340,210,361.76 and 525,129,909.33 is: 724,678,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,167,613.45 : 1,340,210,361.76 = 525,129,909.33 : x
  2. Step 2: Convert to fraction form
    971,167,613.45/1,340,210,361.76 = 525,129,909.33/x
  3. Step 3: Cross multiply
    971,167,613.45x = 1,340,210,361.76 × 525,129,909.33
  4. Step 4: Simplify right side
    971,167,613.45x = 703,784,545,748,040,576
  5. Step 5: Solve for x
    x = 703,784,545,748,040,576/971,167,613.45
  6. Step 6: Final answer
    x = 724,678,764.00

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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.