Home / 849,493,798.61-1,172,360,361.24-514,980,420.84

Finding the Fourth Proportional to 849,493,798.61, 1,172,360,361.24 and 514,980,420.84

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Solution

The fourth proportional to 849,493,798.61, 1,172,360,361.24 and 514,980,420.84 is: 710,708,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,493,798.61 : 1,172,360,361.24 = 514,980,420.84 : x
  2. Step 2: Convert to fraction form
    849,493,798.61/1,172,360,361.24 = 514,980,420.84/x
  3. Step 3: Cross multiply
    849,493,798.61x = 1,172,360,361.24 × 514,980,420.84
  4. Step 4: Simplify right side
    849,493,798.61x = 603,742,632,207,509,632
  5. Step 5: Solve for x
    x = 603,742,632,207,509,632/849,493,798.61
  6. Step 6: Final answer
    x = 710,708,698.76

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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.