Home / 1,167,068,065.38-1,610,549,114.93-631,220,328.74

Finding the Fourth Proportional to 1,167,068,065.38, 1,610,549,114.93 and 631,220,328.74

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Solution

The fourth proportional to 1,167,068,065.38, 1,610,549,114.93 and 631,220,328.74 is: 871,081,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,068,065.38 : 1,610,549,114.93 = 631,220,328.74 : x
  2. Step 2: Convert to fraction form
    1,167,068,065.38/1,610,549,114.93 = 631,220,328.74/x
  3. Step 3: Cross multiply
    1,167,068,065.38x = 1,610,549,114.93 × 631,220,328.74
  4. Step 4: Simplify right side
    1,167,068,065.38x = 1,016,611,341,766,821,760
  5. Step 5: Solve for x
    x = 1,016,611,341,766,821,760/1,167,068,065.38
  6. Step 6: Final answer
    x = 871,081,449.25

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Half scale
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Double scale
Find fourth proportional to 1,167,068,066.38, 1,610,549,116.31 and 631,220,329.74
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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.