Home / 19,139,148,743.40-28,708,723,115.10-5,164,748,216.10

Finding the Fourth Proportional to 19,139,148,743.40, 28,708,723,115.10 and 5,164,748,216.10

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Solution

The fourth proportional to 19,139,148,743.40, 28,708,723,115.10 and 5,164,748,216.10 is: 7,747,122,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139,148,743.40 : 28,708,723,115.10 = 5,164,748,216.10 : x
  2. Step 2: Convert to fraction form
    19,139,148,743.40/28,708,723,115.10 = 5,164,748,216.10/x
  3. Step 3: Cross multiply
    19,139,148,743.40x = 28,708,723,115.10 × 5,164,748,216.10
  4. Step 4: Simplify right side
    19,139,148,743.40x = 148,273,326,495,221,547,008
  5. Step 5: Solve for x
    x = 148,273,326,495,221,547,008/19,139,148,743.40
  6. Step 6: Final answer
    x = 7,747,122,324.15

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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.