Home / 402,130,015.80-603,195,023.70-249,075,007.80

Finding the Fourth Proportional to 402,130,015.80, 603,195,023.70 and 249,075,007.80

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Solution

The fourth proportional to 402,130,015.80, 603,195,023.70 and 249,075,007.80 is: 373,612,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,130,015.80 : 603,195,023.70 = 249,075,007.80 : x
  2. Step 2: Convert to fraction form
    402,130,015.80/603,195,023.70 = 249,075,007.80/x
  3. Step 3: Cross multiply
    402,130,015.80x = 603,195,023.70 × 249,075,007.80
  4. Step 4: Simplify right side
    402,130,015.80x = 150,240,805,232,998,688
  5. Step 5: Solve for x
    x = 150,240,805,232,998,688/402,130,015.80
  6. Step 6: Final answer
    x = 373,612,511.70

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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.