Home / 992,712,240.66-1,369,898,701.88-569,022,157.70

Finding the Fourth Proportional to 992,712,240.66, 1,369,898,701.88 and 569,022,157.70

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Solution

The fourth proportional to 992,712,240.66, 1,369,898,701.88 and 569,022,157.70 is: 785,225,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712,240.66 : 1,369,898,701.88 = 569,022,157.70 : x
  2. Step 2: Convert to fraction form
    992,712,240.66/1,369,898,701.88 = 569,022,157.70/x
  3. Step 3: Cross multiply
    992,712,240.66x = 1,369,898,701.88 × 569,022,157.70
  4. Step 4: Simplify right side
    992,712,240.66x = 779,502,715,164,492,160
  5. Step 5: Solve for x
    x = 779,502,715,164,492,160/992,712,240.66
  6. Step 6: Final answer
    x = 785,225,247.80

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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.