Home / 2,989,378,686.60-4,485,343,488.30-1,435,870,355.40

Finding the Fourth Proportional to 2,989,378,686.60, 4,485,343,488.30 and 1,435,870,355.40

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Solution

The fourth proportional to 2,989,378,686.60, 4,485,343,488.30 and 1,435,870,355.40 is: 2,154,418,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,378,686.60 : 4,485,343,488.30 = 1,435,870,355.40 : x
  2. Step 2: Convert to fraction form
    2,989,378,686.60/4,485,343,488.30 = 1,435,870,355.40/x
  3. Step 3: Cross multiply
    2,989,378,686.60x = 4,485,343,488.30 × 1,435,870,355.40
  4. Step 4: Simplify right side
    2,989,378,686.60x = 6,440,371,748,636,397,568
  5. Step 5: Solve for x
    x = 6,440,371,748,636,397,568/2,989,378,686.60
  6. Step 6: Final answer
    x = 2,154,418,166.39

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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.