Home / 883,151,291.52-1,218,756,842.54-486,688,506.13

Finding the Fourth Proportional to 883,151,291.52, 1,218,756,842.54 and 486,688,506.13

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Solution

The fourth proportional to 883,151,291.52, 1,218,756,842.54 and 486,688,506.13 is: 671,634,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,151,291.52 : 1,218,756,842.54 = 486,688,506.13 : x
  2. Step 2: Convert to fraction form
    883,151,291.52/1,218,756,842.54 = 486,688,506.13/x
  3. Step 3: Cross multiply
    883,151,291.52x = 1,218,756,842.54 × 486,688,506.13
  4. Step 4: Simplify right side
    883,151,291.52x = 593,154,947,031,508,224
  5. Step 5: Solve for x
    x = 593,154,947,031,508,224/883,151,291.52
  6. Step 6: Final answer
    x = 671,634,580.31

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Double scale
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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.