Home / 760,883,488.64-1,050,019,366.60-463,525,715.28

Finding the Fourth Proportional to 760,883,488.64, 1,050,019,366.60 and 463,525,715.28

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Solution

The fourth proportional to 760,883,488.64, 1,050,019,366.60 and 463,525,715.28 is: 639,665,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,883,488.64 : 1,050,019,366.60 = 463,525,715.28 : x
  2. Step 2: Convert to fraction form
    760,883,488.64/1,050,019,366.60 = 463,525,715.28/x
  3. Step 3: Cross multiply
    760,883,488.64x = 1,050,019,366.60 × 463,525,715.28
  4. Step 4: Simplify right side
    760,883,488.64x = 486,710,977,961,117,504
  5. Step 5: Solve for x
    x = 486,710,977,961,117,504/760,883,488.64
  6. Step 6: Final answer
    x = 639,665,579.85

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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.