Home / 1,223,960,142.11-1,689,070,716.02-695,353,134.29

Finding the Fourth Proportional to 1,223,960,142.11, 1,689,070,716.02 and 695,353,134.29

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Solution

The fourth proportional to 1,223,960,142.11, 1,689,070,716.02 and 695,353,134.29 is: 959,590,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,960,142.11 : 1,689,070,716.02 = 695,353,134.29 : x
  2. Step 2: Convert to fraction form
    1,223,960,142.11/1,689,070,716.02 = 695,353,134.29/x
  3. Step 3: Cross multiply
    1,223,960,142.11x = 1,689,070,716.02 × 695,353,134.29
  4. Step 4: Simplify right side
    1,223,960,142.11x = 1,174,500,616,415,254,528
  5. Step 5: Solve for x
    x = 1,174,500,616,415,254,528/1,223,960,142.11
  6. Step 6: Final answer
    x = 959,590,574.89

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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.