Home / 690,174,903.72-1,035,776,519.28-506,417,215.08

Finding the Fourth Proportional to 690,174,903.72, 1,035,776,519.28 and 506,417,215.08

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Solution

The fourth proportional to 690,174,903.72, 1,035,776,519.28 and 506,417,215.08 is: 760,003,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,174,903.72 : 1,035,776,519.28 = 506,417,215.08 : x
  2. Step 2: Convert to fraction form
    690,174,903.72/1,035,776,519.28 = 506,417,215.08/x
  3. Step 3: Cross multiply
    690,174,903.72x = 1,035,776,519.28 × 506,417,215.08
  4. Step 4: Simplify right side
    690,174,903.72x = 524,535,060,339,033,472
  5. Step 5: Solve for x
    x = 524,535,060,339,033,472/690,174,903.72
  6. Step 6: Final answer
    x = 760,003,091.26

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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.