Home / 1,289,439,500.42-1,779,432,536.56-732,553,105.34

Finding the Fourth Proportional to 1,289,439,500.42, 1,779,432,536.56 and 732,553,105.34

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Solution

The fourth proportional to 1,289,439,500.42, 1,779,432,536.56 and 732,553,105.34 is: 1,010,926,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,500.42 : 1,779,432,536.56 = 732,553,105.34 : x
  2. Step 2: Convert to fraction form
    1,289,439,500.42/1,779,432,536.56 = 732,553,105.34/x
  3. Step 3: Cross multiply
    1,289,439,500.42x = 1,779,432,536.56 × 732,553,105.34
  4. Step 4: Simplify right side
    1,289,439,500.42x = 1,303,528,830,400,061,184
  5. Step 5: Solve for x
    x = 1,303,528,830,400,061,184/1,289,439,500.42
  6. Step 6: Final answer
    x = 1,010,926,708.83

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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.