Home / 359,912,030.40-539,868,045.60-318,300,200.10

Finding the Fourth Proportional to 359,912,030.40, 539,868,045.60 and 318,300,200.10

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Solution

The fourth proportional to 359,912,030.40, 539,868,045.60 and 318,300,200.10 is: 477,450,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,912,030.40 : 539,868,045.60 = 318,300,200.10 : x
  2. Step 2: Convert to fraction form
    359,912,030.40/539,868,045.60 = 318,300,200.10/x
  3. Step 3: Cross multiply
    359,912,030.40x = 539,868,045.60 × 318,300,200.10
  4. Step 4: Simplify right side
    359,912,030.40x = 171,840,106,942,075,936
  5. Step 5: Solve for x
    x = 171,840,106,942,075,936/359,912,030.40
  6. Step 6: Final answer
    x = 477,450,300.15

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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.