Home / 1,340,713,088.40-2,011,359,095.04-408,108,863.28

Finding the Fourth Proportional to 1,340,713,088.40, 2,011,359,095.04 and 408,108,863.28

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Solution

The fourth proportional to 1,340,713,088.40, 2,011,359,095.04 and 408,108,863.28 is: 612,251,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,713,088.40 : 2,011,359,095.04 = 408,108,863.28 : x
  2. Step 2: Convert to fraction form
    1,340,713,088.40/2,011,359,095.04 = 408,108,863.28/x
  3. Step 3: Cross multiply
    1,340,713,088.40x = 2,011,359,095.04 × 408,108,863.28
  4. Step 4: Simplify right side
    1,340,713,088.40x = 820,853,473,924,663,808
  5. Step 5: Solve for x
    x = 820,853,473,924,663,808/1,340,713,088.40
  6. Step 6: Final answer
    x = 612,251,406.38

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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.