Home / 1,312,795,442.60-1,811,636,393.77-718,074,724.72

Finding the Fourth Proportional to 1,312,795,442.60, 1,811,636,393.77 and 718,074,724.72

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Solution

The fourth proportional to 1,312,795,442.60, 1,811,636,393.77 and 718,074,724.72 is: 990,931,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,795,442.60 : 1,811,636,393.77 = 718,074,724.72 : x
  2. Step 2: Convert to fraction form
    1,312,795,442.60/1,811,636,393.77 = 718,074,724.72/x
  3. Step 3: Cross multiply
    1,312,795,442.60x = 1,811,636,393.77 × 718,074,724.72
  4. Step 4: Simplify right side
    1,312,795,442.60x = 1,300,890,304,749,126,400
  5. Step 5: Solve for x
    x = 1,300,890,304,749,126,400/1,312,795,442.60
  6. Step 6: Final answer
    x = 990,931,460.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.