Home / 2,778,594,668.40-4,167,007,113.12-912,807,275.76

Finding the Fourth Proportional to 2,778,594,668.40, 4,167,007,113.12 and 912,807,275.76

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Solution

The fourth proportional to 2,778,594,668.40, 4,167,007,113.12 and 912,807,275.76 is: 1,368,920,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,594,668.40 : 4,167,007,113.12 = 912,807,275.76 : x
  2. Step 2: Convert to fraction form
    2,778,594,668.40/4,167,007,113.12 = 912,807,275.76/x
  3. Step 3: Cross multiply
    2,778,594,668.40x = 4,167,007,113.12 × 912,807,275.76
  4. Step 4: Simplify right side
    2,778,594,668.40x = 3,803,674,410,999,609,344
  5. Step 5: Solve for x
    x = 3,803,674,410,999,609,344/2,778,594,668.40
  6. Step 6: Final answer
    x = 1,368,920,215.05

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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.