Home / 211,198,773,373.86-316,937,727,168.99-99,435,710,590.50

Finding the Fourth Proportional to 211,198,773,373.86, 316,937,727,168.99 and 99,435,710,590.50

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Solution

The fourth proportional to 211,198,773,373.86, 316,937,727,168.99 and 99,435,710,590.50 is: 149,219,276,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,198,773,373.86 : 316,937,727,168.99 = 99,435,710,590.50 : x
  2. Step 2: Convert to fraction form
    211,198,773,373.86/316,937,727,168.99 = 99,435,710,590.50/x
  3. Step 3: Cross multiply
    211,198,773,373.86x = 316,937,727,168.99 × 99,435,710,590.50
  4. Step 4: Simplify right side
    211,198,773,373.86x = 31,514,928,113,986,536,734,720
  5. Step 5: Solve for x
    x = 31,514,928,113,986,536,734,720/211,198,773,373.86
  6. Step 6: Final answer
    x = 149,219,276,279.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.