Home / 1,340,825,587.65-1,849,291,081.02-871,078,261.14

Finding the Fourth Proportional to 1,340,825,587.65, 1,849,291,081.02 and 871,078,261.14

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Solution

The fourth proportional to 1,340,825,587.65, 1,849,291,081.02 and 871,078,261.14 is: 1,201,407,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,825,587.65 : 1,849,291,081.02 = 871,078,261.14 : x
  2. Step 2: Convert to fraction form
    1,340,825,587.65/1,849,291,081.02 = 871,078,261.14/x
  3. Step 3: Cross multiply
    1,340,825,587.65x = 1,849,291,081.02 × 871,078,261.14
  4. Step 4: Simplify right side
    1,340,825,587.65x = 1,610,877,259,196,612,352
  5. Step 5: Solve for x
    x = 1,610,877,259,196,612,352/1,340,825,587.65
  6. Step 6: Final answer
    x = 1,201,407,009.26

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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.