Home / 543,798,130.22-815,702,915.76-435,312,938.46

Finding the Fourth Proportional to 543,798,130.22, 815,702,915.76 and 435,312,938.46

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Solution

The fourth proportional to 543,798,130.22, 815,702,915.76 and 435,312,938.46 is: 652,973,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,798,130.22 : 815,702,915.76 = 435,312,938.46 : x
  2. Step 2: Convert to fraction form
    543,798,130.22/815,702,915.76 = 435,312,938.46/x
  3. Step 3: Cross multiply
    543,798,130.22x = 815,702,915.76 × 435,312,938.46
  4. Step 4: Simplify right side
    543,798,130.22x = 355,086,033,169,875,392
  5. Step 5: Solve for x
    x = 355,086,033,169,875,392/543,798,130.22
  6. Step 6: Final answer
    x = 652,973,986.92

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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.