Home / 992,576,927.80-1,488,921,378.90-302,506,694.20

Finding the Fourth Proportional to 992,576,927.80, 1,488,921,378.90 and 302,506,694.20

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Solution

The fourth proportional to 992,576,927.80, 1,488,921,378.90 and 302,506,694.20 is: 453,777,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,576,927.80 : 1,488,921,378.90 = 302,506,694.20 : x
  2. Step 2: Convert to fraction form
    992,576,927.80/1,488,921,378.90 = 302,506,694.20/x
  3. Step 3: Cross multiply
    992,576,927.80x = 1,488,921,378.90 × 302,506,694.20
  4. Step 4: Simplify right side
    992,576,927.80x = 450,408,684,254,744,640
  5. Step 5: Solve for x
    x = 450,408,684,254,744,640/992,576,927.80
  6. Step 6: Final answer
    x = 453,777,104.46

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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.