Home / 835,440,639.77-1,152,656,666.64-500,791,058.76

Finding the Fourth Proportional to 835,440,639.77, 1,152,656,666.64 and 500,791,058.76

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Solution

The fourth proportional to 835,440,639.77, 1,152,656,666.64 and 500,791,058.76 is: 690,940,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,440,639.77 : 1,152,656,666.64 = 500,791,058.76 : x
  2. Step 2: Convert to fraction form
    835,440,639.77/1,152,656,666.64 = 500,791,058.76/x
  3. Step 3: Cross multiply
    835,440,639.77x = 1,152,656,666.64 × 500,791,058.76
  4. Step 4: Simplify right side
    835,440,639.77x = 577,240,152,473,417,984
  5. Step 5: Solve for x
    x = 577,240,152,473,417,984/835,440,639.77
  6. Step 6: Final answer
    x = 690,940,953.78

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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.