Home / 917,732,113.49-1,266,470,498.86-500,044,398.77

Finding the Fourth Proportional to 917,732,113.49, 1,266,470,498.86 and 500,044,398.77

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Solution

The fourth proportional to 917,732,113.49, 1,266,470,498.86 and 500,044,398.77 is: 690,061,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732,113.49 : 1,266,470,498.86 = 500,044,398.77 : x
  2. Step 2: Convert to fraction form
    917,732,113.49/1,266,470,498.86 = 500,044,398.77/x
  3. Step 3: Cross multiply
    917,732,113.49x = 1,266,470,498.86 × 500,044,398.77
  4. Step 4: Simplify right side
    917,732,113.49x = 633,291,479,164,306,688
  5. Step 5: Solve for x
    x = 633,291,479,164,306,688/917,732,113.49
  6. Step 6: Final answer
    x = 690,061,369.60

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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.