Home / 698,742,000.40-1,048,113,000.60-335,049,149.20

Finding the Fourth Proportional to 698,742,000.40, 1,048,113,000.60 and 335,049,149.20

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Solution

The fourth proportional to 698,742,000.40, 1,048,113,000.60 and 335,049,149.20 is: 502,573,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,742,000.40 : 1,048,113,000.60 = 335,049,149.20 : x
  2. Step 2: Convert to fraction form
    698,742,000.40/1,048,113,000.60 = 335,049,149.20/x
  3. Step 3: Cross multiply
    698,742,000.40x = 1,048,113,000.60 × 335,049,149.20
  4. Step 4: Simplify right side
    698,742,000.40x = 351,169,369,116,489,088
  5. Step 5: Solve for x
    x = 351,169,369,116,489,088/698,742,000.40
  6. Step 6: Final answer
    x = 502,573,723.80

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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.