Home / 2,130,042,686.19-2,939,402,521.02-1,190,253,050.61

Finding the Fourth Proportional to 2,130,042,686.19, 2,939,402,521.02 and 1,190,253,050.61

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Solution

The fourth proportional to 2,130,042,686.19, 2,939,402,521.02 and 1,190,253,050.61 is: 1,642,517,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,042,686.19 : 2,939,402,521.02 = 1,190,253,050.61 : x
  2. Step 2: Convert to fraction form
    2,130,042,686.19/2,939,402,521.02 = 1,190,253,050.61/x
  3. Step 3: Cross multiply
    2,130,042,686.19x = 2,939,402,521.02 × 1,190,253,050.61
  4. Step 4: Simplify right side
    2,130,042,686.19x = 3,498,632,817,614,779,392
  5. Step 5: Solve for x
    x = 3,498,632,817,614,779,392/2,130,042,686.19
  6. Step 6: Final answer
    x = 1,642,517,701.78

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Double scale
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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.