Home / 663,457,068,000.40-995,185,602,000.60-644,860,884,528.40

Finding the Fourth Proportional to 663,457,068,000.40, 995,185,602,000.60 and 644,860,884,528.40

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Solution

The fourth proportional to 663,457,068,000.40, 995,185,602,000.60 and 644,860,884,528.40 is: 967,291,326,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,457,068,000.40 : 995,185,602,000.60 = 644,860,884,528.40 : x
  2. Step 2: Convert to fraction form
    663,457,068,000.40/995,185,602,000.60 = 644,860,884,528.40/x
  3. Step 3: Cross multiply
    663,457,068,000.40x = 995,185,602,000.60 × 644,860,884,528.40
  4. Step 4: Simplify right side
    663,457,068,000.40x = 641,756,267,576,035,159,048,192
  5. Step 5: Solve for x
    x = 641,756,267,576,035,159,048,192/663,457,068,000.40
  6. Step 6: Final answer
    x = 967,291,326,792.60

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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.