Home / 641,609,417.60-962,414,126.40-156,935,225.60

Finding the Fourth Proportional to 641,609,417.60, 962,414,126.40 and 156,935,225.60

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Solution

The fourth proportional to 641,609,417.60, 962,414,126.40 and 156,935,225.60 is: 235,402,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,609,417.60 : 962,414,126.40 = 156,935,225.60 : x
  2. Step 2: Convert to fraction form
    641,609,417.60/962,414,126.40 = 156,935,225.60/x
  3. Step 3: Cross multiply
    641,609,417.60x = 962,414,126.40 × 156,935,225.60
  4. Step 4: Simplify right side
    641,609,417.60x = 151,036,678,047,210,912
  5. Step 5: Solve for x
    x = 151,036,678,047,210,912/641,609,417.60
  6. Step 6: Final answer
    x = 235,402,838.40

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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.