Home / 830,575,642.80-1,245,863,464.20-695,534,516.40

Finding the Fourth Proportional to 830,575,642.80, 1,245,863,464.20 and 695,534,516.40

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Solution

The fourth proportional to 830,575,642.80, 1,245,863,464.20 and 695,534,516.40 is: 1,043,301,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,575,642.80 : 1,245,863,464.20 = 695,534,516.40 : x
  2. Step 2: Convert to fraction form
    830,575,642.80/1,245,863,464.20 = 695,534,516.40/x
  3. Step 3: Cross multiply
    830,575,642.80x = 1,245,863,464.20 × 695,534,516.40
  4. Step 4: Simplify right side
    830,575,642.80x = 866,541,042,072,775,680
  5. Step 5: Solve for x
    x = 866,541,042,072,775,680/830,575,642.80
  6. Step 6: Final answer
    x = 1,043,301,774.60

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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.