Home / 314,928,127.40-472,896,075.90-213,143,397.80

Finding the Fourth Proportional to 314,928,127.40, 472,896,075.90 and 213,143,397.80

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Solution

The fourth proportional to 314,928,127.40, 472,896,075.90 and 213,143,397.80 is: 320,056,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,127.40 : 472,896,075.90 = 213,143,397.80 : x
  2. Step 2: Convert to fraction form
    314,928,127.40/472,896,075.90 = 213,143,397.80/x
  3. Step 3: Cross multiply
    314,928,127.40x = 472,896,075.90 × 213,143,397.80
  4. Step 4: Simplify right side
    314,928,127.40x = 100,794,676,423,612,688
  5. Step 5: Solve for x
    x = 100,794,676,423,612,688/314,928,127.40
  6. Step 6: Final answer
    x = 320,056,126.00

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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.