Home / 213,016,539,784.36-293,962,983,385.98-115,358,938,796.92

Finding the Fourth Proportional to 213,016,539,784.36, 293,962,983,385.98 and 115,358,938,796.92

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Solution

The fourth proportional to 213,016,539,784.36, 293,962,983,385.98 and 115,358,938,796.92 is: 159,195,421,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,016,539,784.36 : 293,962,983,385.98 = 115,358,938,796.92 : x
  2. Step 2: Convert to fraction form
    213,016,539,784.36/293,962,983,385.98 = 115,358,938,796.92/x
  3. Step 3: Cross multiply
    213,016,539,784.36x = 293,962,983,385.98 × 115,358,938,796.92
  4. Step 4: Simplify right side
    213,016,539,784.36x = 33,911,257,808,983,275,077,632
  5. Step 5: Solve for x
    x = 33,911,257,808,983,275,077,632/213,016,539,784.36
  6. Step 6: Final answer
    x = 159,195,421,366.40

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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.