Home / 912,186,765.30-1,368,280,147.95-797,395,509.30

Finding the Fourth Proportional to 912,186,765.30, 1,368,280,147.95 and 797,395,509.30

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Solution

The fourth proportional to 912,186,765.30, 1,368,280,147.95 and 797,395,509.30 is: 1,196,093,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,186,765.30 : 1,368,280,147.95 = 797,395,509.30 : x
  2. Step 2: Convert to fraction form
    912,186,765.30/1,368,280,147.95 = 797,395,509.30/x
  3. Step 3: Cross multiply
    912,186,765.30x = 1,368,280,147.95 × 797,395,509.30
  4. Step 4: Simplify right side
    912,186,765.30x = 1,091,060,445,439,669,632
  5. Step 5: Solve for x
    x = 1,091,060,445,439,669,632/912,186,765.30
  6. Step 6: Final answer
    x = 1,196,093,263.95

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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.