Home / 1,190,800,871.07-1,643,306,564.45-662,153,506.89

Finding the Fourth Proportional to 1,190,800,871.07, 1,643,306,564.45 and 662,153,506.89

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Solution

The fourth proportional to 1,190,800,871.07, 1,643,306,564.45 and 662,153,506.89 is: 913,772,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,800,871.07 : 1,643,306,564.45 = 662,153,506.89 : x
  2. Step 2: Convert to fraction form
    1,190,800,871.07/1,643,306,564.45 = 662,153,506.89/x
  3. Step 3: Cross multiply
    1,190,800,871.07x = 1,643,306,564.45 × 662,153,506.89
  4. Step 4: Simplify right side
    1,190,800,871.07x = 1,088,121,204,545,925,376
  5. Step 5: Solve for x
    x = 1,088,121,204,545,925,376/1,190,800,871.07
  6. Step 6: Final answer
    x = 913,772,597.07

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Double scale
Find fourth proportional to 1,190,800,872.07, 1,643,306,565.83 and 662,153,507.89
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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.