Home / 642,496,458.06-886,916,323.53-433,935,095.04

Finding the Fourth Proportional to 642,496,458.06, 886,916,323.53 and 433,935,095.04

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Solution

The fourth proportional to 642,496,458.06, 886,916,323.53 and 433,935,095.04 is: 599,013,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,496,458.06 : 886,916,323.53 = 433,935,095.04 : x
  2. Step 2: Convert to fraction form
    642,496,458.06/886,916,323.53 = 433,935,095.04/x
  3. Step 3: Cross multiply
    642,496,458.06x = 886,916,323.53 × 433,935,095.04
  4. Step 4: Simplify right side
    642,496,458.06x = 384,864,119,143,517,952
  5. Step 5: Solve for x
    x = 384,864,119,143,517,952/642,496,458.06
  6. Step 6: Final answer
    x = 599,013,604.38

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Double scale
Find fourth proportional to 642,496,459.06, 886,916,324.91 and 433,935,096.04
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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.