Home / 992,576,926.80-1,488,921,377.40-302,506,693.20

Finding the Fourth Proportional to 992,576,926.80, 1,488,921,377.40 and 302,506,693.20

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Solution

The fourth proportional to 992,576,926.80, 1,488,921,377.40 and 302,506,693.20 is: 453,777,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,576,926.80 : 1,488,921,377.40 = 302,506,693.20 : x
  2. Step 2: Convert to fraction form
    992,576,926.80/1,488,921,377.40 = 302,506,693.20/x
  3. Step 3: Cross multiply
    992,576,926.80x = 1,488,921,377.40 × 302,506,693.20
  4. Step 4: Simplify right side
    992,576,926.80x = 450,408,682,312,063,232
  5. Step 5: Solve for x
    x = 450,408,682,312,063,232/992,576,926.80
  6. Step 6: Final answer
    x = 453,777,102.96

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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.