Home / 55,430,197,336.80-76,495,176,422.48-31,347,820,210.16

Finding the Fourth Proportional to 55,430,197,336.80, 76,495,176,422.48 and 31,347,820,210.16

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Solution

The fourth proportional to 55,430,197,336.80, 76,495,176,422.48 and 31,347,820,210.16 is: 43,260,842,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430,197,336.80 : 76,495,176,422.48 = 31,347,820,210.16 : x
  2. Step 2: Convert to fraction form
    55,430,197,336.80/76,495,176,422.48 = 31,347,820,210.16/x
  3. Step 3: Cross multiply
    55,430,197,336.80x = 76,495,176,422.48 × 31,347,820,210.16
  4. Step 4: Simplify right side
    55,430,197,336.80x = 2,397,957,037,436,373,041,152
  5. Step 5: Solve for x
    x = 2,397,957,037,436,373,041,152/55,430,197,336.80
  6. Step 6: Final answer
    x = 43,260,842,512.72

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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.