Home / 896,991,141.15-1,345,486,711.73-655,126,437.15

Finding the Fourth Proportional to 896,991,141.15, 1,345,486,711.73 and 655,126,437.15

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Solution

The fourth proportional to 896,991,141.15, 1,345,486,711.73 and 655,126,437.15 is: 982,689,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,991,141.15 : 1,345,486,711.73 = 655,126,437.15 : x
  2. Step 2: Convert to fraction form
    896,991,141.15/1,345,486,711.73 = 655,126,437.15/x
  3. Step 3: Cross multiply
    896,991,141.15x = 1,345,486,711.73 × 655,126,437.15
  4. Step 4: Simplify right side
    896,991,141.15x = 881,463,915,688,343,936
  5. Step 5: Solve for x
    x = 881,463,915,688,343,936/896,991,141.15
  6. Step 6: Final answer
    x = 982,689,655.73

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Double scale
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Similar ratio
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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.