Home / 748,009,644.40-1,122,014,466.60-611,960,748.40

Finding the Fourth Proportional to 748,009,644.40, 1,122,014,466.60 and 611,960,748.40

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Solution

The fourth proportional to 748,009,644.40, 1,122,014,466.60 and 611,960,748.40 is: 917,941,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,009,644.40 : 1,122,014,466.60 = 611,960,748.40 : x
  2. Step 2: Convert to fraction form
    748,009,644.40/1,122,014,466.60 = 611,960,748.40/x
  3. Step 3: Cross multiply
    748,009,644.40x = 1,122,014,466.60 × 611,960,748.40
  4. Step 4: Simplify right side
    748,009,644.40x = 686,628,812,696,162,688
  5. Step 5: Solve for x
    x = 686,628,812,696,162,688/748,009,644.40
  6. Step 6: Final answer
    x = 917,941,122.60

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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.