Home / 553,319,547.40-829,979,321.10-170,367,099.40

Finding the Fourth Proportional to 553,319,547.40, 829,979,321.10 and 170,367,099.40

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Solution

The fourth proportional to 553,319,547.40, 829,979,321.10 and 170,367,099.40 is: 255,550,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,319,547.40 : 829,979,321.10 = 170,367,099.40 : x
  2. Step 2: Convert to fraction form
    553,319,547.40/829,979,321.10 = 170,367,099.40/x
  3. Step 3: Cross multiply
    553,319,547.40x = 829,979,321.10 × 170,367,099.40
  4. Step 4: Simplify right side
    553,319,547.40x = 141,401,169,497,788,224
  5. Step 5: Solve for x
    x = 141,401,169,497,788,224/553,319,547.40
  6. Step 6: Final answer
    x = 255,550,649.10

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1.5x scale

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.