Home / 877,812,946.52-1,210,209,992.77-697,358,677.75

Finding the Fourth Proportional to 877,812,946.52, 1,210,209,992.77 and 697,358,677.75

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Solution

The fourth proportional to 877,812,946.52, 1,210,209,992.77 and 697,358,677.75 is: 961,424,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,812,946.52 : 1,210,209,992.77 = 697,358,677.75 : x
  2. Step 2: Convert to fraction form
    877,812,946.52/1,210,209,992.77 = 697,358,677.75/x
  3. Step 3: Cross multiply
    877,812,946.52x = 1,210,209,992.77 × 697,358,677.75
  4. Step 4: Simplify right side
    877,812,946.52x = 843,950,440,363,928,192
  5. Step 5: Solve for x
    x = 843,950,440,363,928,192/877,812,946.52
  6. Step 6: Final answer
    x = 961,424,006.91

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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.