Home / 917,316,359.85-1,287,870,874.35-917,316,359.85

Finding the Fourth Proportional to 917,316,359.85, 1,287,870,874.35 and 917,316,359.85

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Solution

The fourth proportional to 917,316,359.85, 1,287,870,874.35 and 917,316,359.85 is: 1,287,870,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,316,359.85 : 1,287,870,874.35 = 917,316,359.85 : x
  2. Step 2: Convert to fraction form
    917,316,359.85/1,287,870,874.35 = 917,316,359.85/x
  3. Step 3: Cross multiply
    917,316,359.85x = 1,287,870,874.35 × 917,316,359.85
  4. Step 4: Simplify right side
    917,316,359.85x = 1,181,385,022,415,578,624
  5. Step 5: Solve for x
    x = 1,181,385,022,415,578,624/917,316,359.85
  6. Step 6: Final answer
    x = 1,287,870,874.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.