Home / 922,021,930.04-1,272,394,070.72-498,635,582.04

Finding the Fourth Proportional to 922,021,930.04, 1,272,394,070.72 and 498,635,582.04

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Solution

The fourth proportional to 922,021,930.04, 1,272,394,070.72 and 498,635,582.04 is: 688,119,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,021,930.04 : 1,272,394,070.72 = 498,635,582.04 : x
  2. Step 2: Convert to fraction form
    922,021,930.04/1,272,394,070.72 = 498,635,582.04/x
  3. Step 3: Cross multiply
    922,021,930.04x = 1,272,394,070.72 × 498,635,582.04
  4. Step 4: Simplify right side
    922,021,930.04x = 634,460,958,037,712,128
  5. Step 5: Solve for x
    x = 634,460,958,037,712,128/922,021,930.04
  6. Step 6: Final answer
    x = 688,119,162.21

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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.