Home / 769,828,603.60-1,154,742,905.40-462,962,760.40

Finding the Fourth Proportional to 769,828,603.60, 1,154,742,905.40 and 462,962,760.40

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Solution

The fourth proportional to 769,828,603.60, 1,154,742,905.40 and 462,962,760.40 is: 694,444,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,828,603.60 : 1,154,742,905.40 = 462,962,760.40 : x
  2. Step 2: Convert to fraction form
    769,828,603.60/1,154,742,905.40 = 462,962,760.40/x
  3. Step 3: Cross multiply
    769,828,603.60x = 1,154,742,905.40 × 462,962,760.40
  4. Step 4: Simplify right side
    769,828,603.60x = 534,602,963,036,300,096
  5. Step 5: Solve for x
    x = 534,602,963,036,300,096/769,828,603.60
  6. Step 6: Final answer
    x = 694,444,140.60

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1.5x scale

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.