Home / 42,604,640,285.80-63,906,960,428.70-17,779,117,988.20

Finding the Fourth Proportional to 42,604,640,285.80, 63,906,960,428.70 and 17,779,117,988.20

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Solution

The fourth proportional to 42,604,640,285.80, 63,906,960,428.70 and 17,779,117,988.20 is: 26,668,676,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604,640,285.80 : 63,906,960,428.70 = 17,779,117,988.20 : x
  2. Step 2: Convert to fraction form
    42,604,640,285.80/63,906,960,428.70 = 17,779,117,988.20/x
  3. Step 3: Cross multiply
    42,604,640,285.80x = 63,906,960,428.70 × 17,779,117,988.20
  4. Step 4: Simplify right side
    42,604,640,285.80x = 1,136,209,389,729,085,784,064
  5. Step 5: Solve for x
    x = 1,136,209,389,729,085,784,064/42,604,640,285.80
  6. Step 6: Final answer
    x = 26,668,676,982.30

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1.5x scale

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.