Home / 938,255,623.03-1,294,812,536.09-514,865,580.98

Finding the Fourth Proportional to 938,255,623.03, 1,294,812,536.09 and 514,865,580.98

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Solution

The fourth proportional to 938,255,623.03, 1,294,812,536.09 and 514,865,580.98 is: 710,525,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,255,623.03 : 1,294,812,536.09 = 514,865,580.98 : x
  2. Step 2: Convert to fraction form
    938,255,623.03/1,294,812,536.09 = 514,865,580.98/x
  3. Step 3: Cross multiply
    938,255,623.03x = 1,294,812,536.09 × 514,865,580.98
  4. Step 4: Simplify right side
    938,255,623.03x = 666,654,408,645,116,672
  5. Step 5: Solve for x
    x = 666,654,408,645,116,672/938,255,623.03
  6. Step 6: Final answer
    x = 710,525,353.94

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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.