Home / 698,711,517.90-1,047,674,005.02-232,123,148.85

Finding the Fourth Proportional to 698,711,517.90, 1,047,674,005.02 and 232,123,148.85

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Solution

The fourth proportional to 698,711,517.90, 1,047,674,005.02 and 232,123,148.85 is: 348,054,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,711,517.90 : 1,047,674,005.02 = 232,123,148.85 : x
  2. Step 2: Convert to fraction form
    698,711,517.90/1,047,674,005.02 = 232,123,148.85/x
  3. Step 3: Cross multiply
    698,711,517.90x = 1,047,674,005.02 × 232,123,148.85
  4. Step 4: Simplify right side
    698,711,517.90x = 243,189,389,013,533,088
  5. Step 5: Solve for x
    x = 243,189,389,013,533,088/698,711,517.90
  6. Step 6: Final answer
    x = 348,054,072.08

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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.