Home / 718,455,622.40-1,077,683,433.60-645,754,493.60

Finding the Fourth Proportional to 718,455,622.40, 1,077,683,433.60 and 645,754,493.60

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Solution

The fourth proportional to 718,455,622.40, 1,077,683,433.60 and 645,754,493.60 is: 968,631,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,455,622.40 : 1,077,683,433.60 = 645,754,493.60 : x
  2. Step 2: Convert to fraction form
    718,455,622.40/1,077,683,433.60 = 645,754,493.60/x
  3. Step 3: Cross multiply
    718,455,622.40x = 1,077,683,433.60 × 645,754,493.60
  4. Step 4: Simplify right side
    718,455,622.40x = 695,918,919,925,477,248
  5. Step 5: Solve for x
    x = 695,918,919,925,477,248/718,455,622.40
  6. Step 6: Final answer
    x = 968,631,740.40

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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.