Home / 1,316,291,029.20-1,974,436,543.80-540,493,457.40

Finding the Fourth Proportional to 1,316,291,029.20, 1,974,436,543.80 and 540,493,457.40

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Solution

The fourth proportional to 1,316,291,029.20, 1,974,436,543.80 and 540,493,457.40 is: 810,740,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,291,029.20 : 1,974,436,543.80 = 540,493,457.40 : x
  2. Step 2: Convert to fraction form
    1,316,291,029.20/1,974,436,543.80 = 540,493,457.40/x
  3. Step 3: Cross multiply
    1,316,291,029.20x = 1,974,436,543.80 × 540,493,457.40
  4. Step 4: Simplify right side
    1,316,291,029.20x = 1,067,170,033,975,368,448
  5. Step 5: Solve for x
    x = 1,067,170,033,975,368,448/1,316,291,029.20
  6. Step 6: Final answer
    x = 810,740,186.10

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Double scale
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Similar ratio
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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.