Home / 1,079,114,271.64-1,489,264,214.67-857,921,386.21

Finding the Fourth Proportional to 1,079,114,271.64, 1,489,264,214.67 and 857,921,386.21

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Solution

The fourth proportional to 1,079,114,271.64, 1,489,264,214.67 and 857,921,386.21 is: 1,184,000,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,114,271.64 : 1,489,264,214.67 = 857,921,386.21 : x
  2. Step 2: Convert to fraction form
    1,079,114,271.64/1,489,264,214.67 = 857,921,386.21/x
  3. Step 3: Cross multiply
    1,079,114,271.64x = 1,489,264,214.67 × 857,921,386.21
  4. Step 4: Simplify right side
    1,079,114,271.64x = 1,277,671,619,478,910,208
  5. Step 5: Solve for x
    x = 1,277,671,619,478,910,208/1,079,114,271.64
  6. Step 6: Final answer
    x = 1,184,000,298.26

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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.