Home / 680,012,151.40-1,018,317,615.90-543,963,255.40

Finding the Fourth Proportional to 680,012,151.40, 1,018,317,615.90 and 543,963,255.40

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Solution

The fourth proportional to 680,012,151.40, 1,018,317,615.90 and 543,963,255.40 is: 814,584,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,012,151.40 : 1,018,317,615.90 = 543,963,255.40 : x
  2. Step 2: Convert to fraction form
    680,012,151.40/1,018,317,615.90 = 543,963,255.40/x
  3. Step 3: Cross multiply
    680,012,151.40x = 1,018,317,615.90 × 543,963,255.40
  4. Step 4: Simplify right side
    680,012,151.40x = 553,927,365,376,130,752
  5. Step 5: Solve for x
    x = 553,927,365,376,130,752/680,012,151.40
  6. Step 6: Final answer
    x = 814,584,510.34

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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.