Home / 771,254,580.80-1,064,657,165.00-520,698,376.07

Finding the Fourth Proportional to 771,254,580.80, 1,064,657,165.00 and 520,698,376.07

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Solution

The fourth proportional to 771,254,580.80, 1,064,657,165.00 and 520,698,376.07 is: 718,783,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,254,580.80 : 1,064,657,165.00 = 520,698,376.07 : x
  2. Step 2: Convert to fraction form
    771,254,580.80/1,064,657,165.00 = 520,698,376.07/x
  3. Step 3: Cross multiply
    771,254,580.80x = 1,064,657,165.00 × 520,698,376.07
  4. Step 4: Simplify right side
    771,254,580.80x = 554,365,256,885,307,520
  5. Step 5: Solve for x
    x = 554,365,256,885,307,520/771,254,580.80
  6. Step 6: Final answer
    x = 718,783,746.23

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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.