Home / 972,382,630.11-1,341,385,880.36-659,009,674.59

Finding the Fourth Proportional to 972,382,630.11, 1,341,385,880.36 and 659,009,674.59

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Solution

The fourth proportional to 972,382,630.11, 1,341,385,880.36 and 659,009,674.59 is: 909,093,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,382,630.11 : 1,341,385,880.36 = 659,009,674.59 : x
  2. Step 2: Convert to fraction form
    972,382,630.11/1,341,385,880.36 = 659,009,674.59/x
  3. Step 3: Cross multiply
    972,382,630.11x = 1,341,385,880.36 × 659,009,674.59
  4. Step 4: Simplify right side
    972,382,630.11x = 883,986,272,512,369,280
  5. Step 5: Solve for x
    x = 883,986,272,512,369,280/972,382,630.11
  6. Step 6: Final answer
    x = 909,093,031.01

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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.