Home / 1,291,238,240,621.80-1,781,898,182,424.90-705,288,459,946.98

Finding the Fourth Proportional to 1,291,238,240,621.80, 1,781,898,182,424.90 and 705,288,459,946.98

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Solution

The fourth proportional to 1,291,238,240,621.80, 1,781,898,182,424.90 and 705,288,459,946.98 is: 973,292,290,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,238,240,621.80 : 1,781,898,182,424.90 = 705,288,459,946.98 : x
  2. Step 2: Convert to fraction form
    1,291,238,240,621.80/1,781,898,182,424.90 = 705,288,459,946.98/x
  3. Step 3: Cross multiply
    1,291,238,240,621.80x = 1,781,898,182,424.90 × 705,288,459,946.98
  4. Step 4: Simplify right side
    1,291,238,240,621.80x = 1,256,752,224,864,780,316,311,552
  5. Step 5: Solve for x
    x = 1,256,752,224,864,780,316,311,552/1,291,238,240,621.80
  6. Step 6: Final answer
    x = 973,292,290,553.28

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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.