Home / 1,223,829,307.26-1,688,803,640.06-688,063,558.50

Finding the Fourth Proportional to 1,223,829,307.26, 1,688,803,640.06 and 688,063,558.50

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Solution

The fourth proportional to 1,223,829,307.26, 1,688,803,640.06 and 688,063,558.50 is: 949,482,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,829,307.26 : 1,688,803,640.06 = 688,063,558.50 : x
  2. Step 2: Convert to fraction form
    1,223,829,307.26/1,688,803,640.06 = 688,063,558.50/x
  3. Step 3: Cross multiply
    1,223,829,307.26x = 1,688,803,640.06 × 688,063,558.50
  4. Step 4: Simplify right side
    1,223,829,307.26x = 1,162,004,242,183,996,416
  5. Step 5: Solve for x
    x = 1,162,004,242,183,996,416/1,223,829,307.26
  6. Step 6: Final answer
    x = 949,482,280.98

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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.