Home / 1,042,590,601.20-1,564,452,772.20-429,236,828.40

Finding the Fourth Proportional to 1,042,590,601.20, 1,564,452,772.20 and 429,236,828.40

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Solution

The fourth proportional to 1,042,590,601.20, 1,564,452,772.20 and 429,236,828.40 is: 644,088,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,590,601.20 : 1,564,452,772.20 = 429,236,828.40 : x
  2. Step 2: Convert to fraction form
    1,042,590,601.20/1,564,452,772.20 = 429,236,828.40/x
  3. Step 3: Cross multiply
    1,042,590,601.20x = 1,564,452,772.20 × 429,236,828.40
  4. Step 4: Simplify right side
    1,042,590,601.20x = 671,520,746,120,715,648
  5. Step 5: Solve for x
    x = 671,520,746,120,715,648/1,042,590,601.20
  6. Step 6: Final answer
    x = 644,088,624.38

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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.