Home / 10,019,746,123.64-13,826,870,838.88-5,564,697,478.28

Finding the Fourth Proportional to 10,019,746,123.64, 13,826,870,838.88 and 5,564,697,478.28

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Solution

The fourth proportional to 10,019,746,123.64, 13,826,870,838.88 and 5,564,697,478.28 is: 7,679,072,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019,746,123.64 : 13,826,870,838.88 = 5,564,697,478.28 : x
  2. Step 2: Convert to fraction form
    10,019,746,123.64/13,826,870,838.88 = 5,564,697,478.28/x
  3. Step 3: Cross multiply
    10,019,746,123.64x = 13,826,870,838.88 × 5,564,697,478.28
  4. Step 4: Simplify right side
    10,019,746,123.64x = 76,942,353,289,618,800,640
  5. Step 5: Solve for x
    x = 76,942,353,289,618,800,640/10,019,746,123.64
  6. Step 6: Final answer
    x = 7,679,072,138.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.