Home / 992,712,324.72-1,369,898,817.66-569,022,242.16

Finding the Fourth Proportional to 992,712,324.72, 1,369,898,817.66 and 569,022,242.16

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Solution

The fourth proportional to 992,712,324.72, 1,369,898,817.66 and 569,022,242.16 is: 785,225,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712,324.72 : 1,369,898,817.66 = 569,022,242.16 : x
  2. Step 2: Convert to fraction form
    992,712,324.72/1,369,898,817.66 = 569,022,242.16/x
  3. Step 3: Cross multiply
    992,712,324.72x = 1,369,898,817.66 × 569,022,242.16
  4. Step 4: Simplify right side
    992,712,324.72x = 779,502,896,757,226,240
  5. Step 5: Solve for x
    x = 779,502,896,757,226,240/992,712,324.72
  6. Step 6: Final answer
    x = 785,225,364.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.