Home / 630,563,153.04-870,159,697.56-348,300,534.96

Finding the Fourth Proportional to 630,563,153.04, 870,159,697.56 and 348,300,534.96

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Solution

The fourth proportional to 630,563,153.04, 870,159,697.56 and 348,300,534.96 is: 480,645,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,563,153.04 : 870,159,697.56 = 348,300,534.96 : x
  2. Step 2: Convert to fraction form
    630,563,153.04/870,159,697.56 = 348,300,534.96/x
  3. Step 3: Cross multiply
    630,563,153.04x = 870,159,697.56 × 348,300,534.96
  4. Step 4: Simplify right side
    630,563,153.04x = 303,077,088,160,779,776
  5. Step 5: Solve for x
    x = 303,077,088,160,779,776/630,563,153.04
  6. Step 6: Final answer
    x = 480,645,097.48

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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.