Home / 869,283,013.40-1,303,987,505.70-523,492,069.40

Finding the Fourth Proportional to 869,283,013.40, 1,303,987,505.70 and 523,492,069.40

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Solution

The fourth proportional to 869,283,013.40, 1,303,987,505.70 and 523,492,069.40 is: 785,276,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,283,013.40 : 1,303,987,505.70 = 523,492,069.40 : x
  2. Step 2: Convert to fraction form
    869,283,013.40/1,303,987,505.70 = 523,492,069.40/x
  3. Step 3: Cross multiply
    869,283,013.40x = 1,303,987,505.70 × 523,492,069.40
  4. Step 4: Simplify right side
    869,283,013.40x = 682,627,117,830,637,312
  5. Step 5: Solve for x
    x = 682,627,117,830,637,312/869,283,013.40
  6. Step 6: Final answer
    x = 785,276,034.74

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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.