Home / 911,571,802.32-1,257,583,878.90-610,254,188.19

Finding the Fourth Proportional to 911,571,802.32, 1,257,583,878.90 and 610,254,188.19

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Solution

The fourth proportional to 911,571,802.32, 1,257,583,878.90 and 610,254,188.19 is: 841,892,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,571,802.32 : 1,257,583,878.90 = 610,254,188.19 : x
  2. Step 2: Convert to fraction form
    911,571,802.32/1,257,583,878.90 = 610,254,188.19/x
  3. Step 3: Cross multiply
    911,571,802.32x = 1,257,583,878.90 × 610,254,188.19
  4. Step 4: Simplify right side
    911,571,802.32x = 767,445,829,098,950,912
  5. Step 5: Solve for x
    x = 767,445,829,098,950,912/911,571,802.32
  6. Step 6: Final answer
    x = 841,892,900.97

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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.