Home / 953,020,857.28-1,425,142,838-906,530,398.60

Finding the Fourth Proportional to 953,020,857.28, 1,425,142,838 and 906,530,398.60

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Solution

The fourth proportional to 953,020,857.28, 1,425,142,838 and 906,530,398.60 is: 1,355,621,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,020,857.28 : 1,425,142,838 = 906,530,398.60 : x
  2. Step 2: Convert to fraction form
    953,020,857.28/1,425,142,838 = 906,530,398.60/x
  3. Step 3: Cross multiply
    953,020,857.28x = 1,425,142,838 × 906,530,398.60
  4. Step 4: Simplify right side
    953,020,857.28x = 1,291,935,304,994,075,136
  5. Step 5: Solve for x
    x = 1,291,935,304,994,075,136/953,020,857.28
  6. Step 6: Final answer
    x = 1,355,621,228.15

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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.