Home / 877,719,072.06-1,316,377,139.37-523,293,641.85

Finding the Fourth Proportional to 877,719,072.06, 1,316,377,139.37 and 523,293,641.85

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Solution

The fourth proportional to 877,719,072.06, 1,316,377,139.37 and 523,293,641.85 is: 784,820,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,719,072.06 : 1,316,377,139.37 = 523,293,641.85 : x
  2. Step 2: Convert to fraction form
    877,719,072.06/1,316,377,139.37 = 523,293,641.85/x
  3. Step 3: Cross multiply
    877,719,072.06x = 1,316,377,139.37 × 523,293,641.85
  4. Step 4: Simplify right side
    877,719,072.06x = 688,851,787,309,012,224
  5. Step 5: Solve for x
    x = 688,851,787,309,012,224/877,719,072.06
  6. Step 6: Final answer
    x = 784,820,347.69

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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.