Home / 695,473,338.10-1,043,210,007.15-686,403,411.70

Finding the Fourth Proportional to 695,473,338.10, 1,043,210,007.15 and 686,403,411.70

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Solution

The fourth proportional to 695,473,338.10, 1,043,210,007.15 and 686,403,411.70 is: 1,029,605,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,473,338.10 : 1,043,210,007.15 = 686,403,411.70 : x
  2. Step 2: Convert to fraction form
    695,473,338.10/1,043,210,007.15 = 686,403,411.70/x
  3. Step 3: Cross multiply
    695,473,338.10x = 1,043,210,007.15 × 686,403,411.70
  4. Step 4: Simplify right side
    695,473,338.10x = 716,062,908,027,341,440
  5. Step 5: Solve for x
    x = 716,062,908,027,341,440/695,473,338.10
  6. Step 6: Final answer
    x = 1,029,605,117.55

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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.