Home / 991,079,627.10-1,484,918,829.45-472,393,211.10

Finding the Fourth Proportional to 991,079,627.10, 1,484,918,829.45 and 472,393,211.10

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Solution

The fourth proportional to 991,079,627.10, 1,484,918,829.45 and 472,393,211.10 is: 707,779,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,079,627.10 : 1,484,918,829.45 = 472,393,211.10 : x
  2. Step 2: Convert to fraction form
    991,079,627.10/1,484,918,829.45 = 472,393,211.10/x
  3. Step 3: Cross multiply
    991,079,627.10x = 1,484,918,829.45 × 472,393,211.10
  4. Step 4: Simplify right side
    991,079,627.10x = 701,465,574,066,738,816
  5. Step 5: Solve for x
    x = 701,465,574,066,738,816/991,079,627.10
  6. Step 6: Final answer
    x = 707,779,228.72

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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.