Home / 926,898,649.03-1,279,120,652.36-509,237,838.53

Finding the Fourth Proportional to 926,898,649.03, 1,279,120,652.36 and 509,237,838.53

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Solution

The fourth proportional to 926,898,649.03, 1,279,120,652.36 and 509,237,838.53 is: 702,748,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,898,649.03 : 1,279,120,652.36 = 509,237,838.53 : x
  2. Step 2: Convert to fraction form
    926,898,649.03/1,279,120,652.36 = 509,237,838.53/x
  3. Step 3: Cross multiply
    926,898,649.03x = 1,279,120,652.36 × 509,237,838.53
  4. Step 4: Simplify right side
    926,898,649.03x = 651,376,636,224,679,936
  5. Step 5: Solve for x
    x = 651,376,636,224,679,936/926,898,649.03
  6. Step 6: Final answer
    x = 702,748,501.04

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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.