Home / 527,602,224,576.15-787,850,455,283.20-430,875,639,784.51

Finding the Fourth Proportional to 527,602,224,576.15, 787,850,455,283.20 and 430,875,639,784.51

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Solution

The fourth proportional to 527,602,224,576.15, 787,850,455,283.20 and 430,875,639,784.51 is: 643,411,936,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,602,224,576.15 : 787,850,455,283.20 = 430,875,639,784.51 : x
  2. Step 2: Convert to fraction form
    527,602,224,576.15/787,850,455,283.20 = 430,875,639,784.51/x
  3. Step 3: Cross multiply
    527,602,224,576.15x = 787,850,455,283.20 × 430,875,639,784.51
  4. Step 4: Simplify right side
    527,602,224,576.15x = 339,465,568,974,666,274,439,168
  5. Step 5: Solve for x
    x = 339,465,568,974,666,274,439,168/527,602,224,576.15
  6. Step 6: Final answer
    x = 643,411,936,421.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.