Home / 7,189,439,673.60-10,784,159,510.40-6,386,807,174.40

Finding the Fourth Proportional to 7,189,439,673.60, 10,784,159,510.40 and 6,386,807,174.40

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Solution

The fourth proportional to 7,189,439,673.60, 10,784,159,510.40 and 6,386,807,174.40 is: 9,580,210,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,439,673.60 : 10,784,159,510.40 = 6,386,807,174.40 : x
  2. Step 2: Convert to fraction form
    7,189,439,673.60/10,784,159,510.40 = 6,386,807,174.40/x
  3. Step 3: Cross multiply
    7,189,439,673.60x = 10,784,159,510.40 × 6,386,807,174.40
  4. Step 4: Simplify right side
    7,189,439,673.60x = 68,876,347,330,896,707,584
  5. Step 5: Solve for x
    x = 68,876,347,330,896,707,584/7,189,439,673.60
  6. Step 6: Final answer
    x = 9,580,210,761.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.