Home / 30,342,945,246.30-45,514,417,869.45-12,892,406,852.70

Finding the Fourth Proportional to 30,342,945,246.30, 45,514,417,869.45 and 12,892,406,852.70

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Solution

The fourth proportional to 30,342,945,246.30, 45,514,417,869.45 and 12,892,406,852.70 is: 19,338,610,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342,945,246.30 : 45,514,417,869.45 = 12,892,406,852.70 : x
  2. Step 2: Convert to fraction form
    30,342,945,246.30/45,514,417,869.45 = 12,892,406,852.70/x
  3. Step 3: Cross multiply
    30,342,945,246.30x = 45,514,417,869.45 × 12,892,406,852.70
  4. Step 4: Simplify right side
    30,342,945,246.30x = 586,790,392,836,748,541,952
  5. Step 5: Solve for x
    x = 586,790,392,836,748,541,952/30,342,945,246.30
  6. Step 6: Final answer
    x = 19,338,610,279.05

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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.