Home / 1,330,561,317.40-1,995,841,976.10-553,948,869.40

Finding the Fourth Proportional to 1,330,561,317.40, 1,995,841,976.10 and 553,948,869.40

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Solution

The fourth proportional to 1,330,561,317.40, 1,995,841,976.10 and 553,948,869.40 is: 830,923,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,561,317.40 : 1,995,841,976.10 = 553,948,869.40 : x
  2. Step 2: Convert to fraction form
    1,330,561,317.40/1,995,841,976.10 = 553,948,869.40/x
  3. Step 3: Cross multiply
    1,330,561,317.40x = 1,995,841,976.10 × 553,948,869.40
  4. Step 4: Simplify right side
    1,330,561,317.40x = 1,105,594,406,161,656,704
  5. Step 5: Solve for x
    x = 1,105,594,406,161,656,704/1,330,561,317.40
  6. Step 6: Final answer
    x = 830,923,304.10

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1.5x scale

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.