Home / 695,280,590.70-1,042,920,886.05-684,531,048.30

Finding the Fourth Proportional to 695,280,590.70, 1,042,920,886.05 and 684,531,048.30

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Solution

The fourth proportional to 695,280,590.70, 1,042,920,886.05 and 684,531,048.30 is: 1,026,796,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280,590.70 : 1,042,920,886.05 = 684,531,048.30 : x
  2. Step 2: Convert to fraction form
    695,280,590.70/1,042,920,886.05 = 684,531,048.30/x
  3. Step 3: Cross multiply
    695,280,590.70x = 1,042,920,886.05 × 684,531,048.30
  4. Step 4: Simplify right side
    695,280,590.70x = 713,911,727,421,771,264
  5. Step 5: Solve for x
    x = 713,911,727,421,771,264/695,280,590.70
  6. Step 6: Final answer
    x = 1,026,796,572.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.