Home / 992,574,000.30-1,488,916,987.65-302,503,766.70

Finding the Fourth Proportional to 992,574,000.30, 1,488,916,987.65 and 302,503,766.70

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Solution

The fourth proportional to 992,574,000.30, 1,488,916,987.65 and 302,503,766.70 is: 453,772,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,574,000.30 : 1,488,916,987.65 = 302,503,766.70 : x
  2. Step 2: Convert to fraction form
    992,574,000.30/1,488,916,987.65 = 302,503,766.70/x
  3. Step 3: Cross multiply
    992,574,000.30x = 1,488,916,987.65 × 302,503,766.70
  4. Step 4: Simplify right side
    992,574,000.30x = 450,402,997,067,742,400
  5. Step 5: Solve for x
    x = 450,402,997,067,742,400/992,574,000.30
  6. Step 6: Final answer
    x = 453,772,713.10

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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.