Home / 1,199,069,767.18-1,654,209,587.28-802,720,454.32

Finding the Fourth Proportional to 1,199,069,767.18, 1,654,209,587.28 and 802,720,454.32

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Solution

The fourth proportional to 1,199,069,767.18, 1,654,209,587.28 and 802,720,454.32 is: 1,107,415,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,069,767.18 : 1,654,209,587.28 = 802,720,454.32 : x
  2. Step 2: Convert to fraction form
    1,199,069,767.18/1,654,209,587.28 = 802,720,454.32/x
  3. Step 3: Cross multiply
    1,199,069,767.18x = 1,654,209,587.28 × 802,720,454.32
  4. Step 4: Simplify right side
    1,199,069,767.18x = 1,327,867,871,441,901,312
  5. Step 5: Solve for x
    x = 1,327,867,871,441,901,312/1,199,069,767.18
  6. Step 6: Final answer
    x = 1,107,415,021.03

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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.