Home / 926,645,059.20-1,278,849,048.24-524,830,287.74

Finding the Fourth Proportional to 926,645,059.20, 1,278,849,048.24 and 524,830,287.74

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Solution

The fourth proportional to 926,645,059.20, 1,278,849,048.24 and 524,830,287.74 is: 724,310,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,645,059.20 : 1,278,849,048.24 = 524,830,287.74 : x
  2. Step 2: Convert to fraction form
    926,645,059.20/1,278,849,048.24 = 524,830,287.74/x
  3. Step 3: Cross multiply
    926,645,059.20x = 1,278,849,048.24 × 524,830,287.74
  4. Step 4: Simplify right side
    926,645,059.20x = 671,178,713,958,016,384
  5. Step 5: Solve for x
    x = 671,178,713,958,016,384/926,645,059.20
  6. Step 6: Final answer
    x = 724,310,465.26

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Double scale
Find fourth proportional to 926,645,060.20, 1,278,849,049.62 and 524,830,288.74
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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.