Home / 1,307,468,411.86-1,804,291,497.48-712,739,776.23

Finding the Fourth Proportional to 1,307,468,411.86, 1,804,291,497.48 and 712,739,776.23

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Solution

The fourth proportional to 1,307,468,411.86, 1,804,291,497.48 and 712,739,776.23 is: 983,572,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,468,411.86 : 1,804,291,497.48 = 712,739,776.23 : x
  2. Step 2: Convert to fraction form
    1,307,468,411.86/1,804,291,497.48 = 712,739,776.23/x
  3. Step 3: Cross multiply
    1,307,468,411.86x = 1,804,291,497.48 × 712,739,776.23
  4. Step 4: Simplify right side
    1,307,468,411.86x = 1,285,990,318,159,448,576
  5. Step 5: Solve for x
    x = 1,285,990,318,159,448,576/1,307,468,411.86
  6. Step 6: Final answer
    x = 983,572,762.82

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Double scale
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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.